Knock 'em Down!
The Reznor Challenge!

Build the spinning platforms and take on the Reznors! Includes 862 pieces, a Blue Toad figure, and seesawing action for hours of Super Mario fun.

LEGO Reznor Knockdown Expansion Set set 71390 - 862 pieces, Super Mario theme, product photo Pin It
LEGO Reznor Knockdown Expansion Set set 71390
🏛 Super Mario
Set #71390

Reznor Knockdown Expansion Set

The Reznor Knockdown Expansion Set brings a thrilling boss battle to your LEGO Super Mario world.

🏆 Best For: Ideal for LEGO Super Mario fans and those who enjoy interactive play sets. ⏱ 4.5 hr build 🧩 862 pcs
★★★★☆ 4.1

Fans appreciate the set's interactive features and the fun Reznor boss battle recreation. Some find the build slightly repetitive and wish the set included a more substantial level design.

MSRP
$69.99
Best Price
$62.99
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📝 Our Take

The Reznor Knockdown Expansion Set brings a thrilling boss battle to your LEGO Super Mario world. This set perfectly captures the frantic energy of the Reznor fights, adding exciting interactive elements to the LEGO Mario experience.

This set is perfect for LEGO Super Mario fans of all ages looking to expand their interactive course. With its action-packed gameplay and engaging build, it offers hours of fun and creative challenges.

Skip this if you're not already invested in the LEGO Super Mario system. This is an expansion set, so you'll need a Starter Course to get the full interactive experience. Consider the Adventures with Mario Starter Course as a starting point.

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Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the Reznor Knockdown Expansion Set - building tips, investment potential, comparisons, or anything else!
Try asking:
How does this expansion set enhance the LEGO Super Mario experience? What are the key interactive elements included in this set? How does the Reznor Knockdown Expansion Set compare to other Super Mario expansion sets in terms of play value? What's the best way to display this set as part of a larger LEGO Super Mario course?

🧱 Building Experience

🧩
862
Pieces
⏱
4.5h
Build Time
📊
Intermediate
Difficulty
Build Highlights:
  • Rotating platforms recreate the Reznor boss battle.
  • Technic elements provide smooth and reliable functionality.
  • Incorporates interactive elements for LEGO Mario (figure not included).
  • Features a tilting platform and spinning elements for dynamic play.

📈 Investment Analysis

↓ Price declining
B
Investment Grade
⏳ Active
The Reznor Knockdown Expansion Set, being a retired LEGO Super Mario set, has potential for appreciation. The Super Mario theme is popular, and expansion sets often become desirable as collectors seek to complete their courses. However, its relatively recent retirement and moderate piece count suggest a gradual rather than rapid increase in value. Monitor its price trend and consider holding for long-term growth.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

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Compared to other LEGO Super Mario expansion sets, the Reznor Knockdown offers a unique boss battle experience. It's more complex than some of the smaller sets but less elaborate than larger castle-themed sets. If you're prioritizing interactive gameplay and action features, this set is a great choice. Consider 71369-1 Bowser's Castle Boss Battle Expansion Set for a similar scale and challenge.

📦 Full Parts Inventory - 189 unique parts • 862 total pieces

Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] Plate Special 2 x...
Part #: 10247 3× Black
Tile Special 2 x 2 Inverted Tile Special 2 x ...
Part #: 11203 1× Light Bluish Gray
Brick Special 1 x 2 with 2 Studs on 1 Side Brick Special 1 x...
Part #: 11211 4× Red
Plate 3 x 3 Plate 3 x 3
Part #: 11212 1× Light Bluish Gray
Plate Round 6 x 6 with Hole Plate Round 6 x 6...
Part #: 11213 3× Medium Nougat
Bracket 5 x 2 x 1 1/3 with Holes, Pin Bottom Bracket 5 x 2 x 1...
Part #: 11215 6× Light Bluish Gray
Plate Special 1 x 2 with Pin Hole on Top Plate Special 1 x...
Part #: 11458 4× Light Bluish Gray
Brick Curved 2 x 1 No Studs [1/2 Bow] Brick Curved 2 x ...
Part #: 11477 8× Light Bluish Gray
Brick Curved 2 x 1 No Studs [1/2 Bow] Brick Curved 2 x ...
Part #: 11477 4× Sand Green
Tile Round 2 x 2 with Bottom Stud Holder Tile Round 2 x 2 ...
Part #: 14769 4× Black
Tile Round 2 x 2 with Bottom Stud Holder Tile Round 2 x 2 ...
Part #: 14769 1× Light Bluish Gray
Tile Round 2 x 2 with Bottom Stud Holder Tile Round 2 x 2 ...
Part #: 14769 1× Blue
Brick Curved 2 x 2 x 2/3 Brick Curved 2 x ...
Part #: 15068 1× Light Bluish Gray
Brick Curved 2 x 2 x 2/3 Brick Curved 2 x ...
Part #: 15068 2× Bright Green
Brick Curved 2 x 2 x 2/3 Brick Curved 2 x ...
Part #: 15068 1× Red
Brick Curved 2 x 2 x 2/3 with Black Mouth, White Eyes print Brick Curved 2 x ...
Part #: 15068pr0052 2× Light Bluish Gray
Plate 2 x 2 with 2 Pins Plate 2 x 2 with ...
Part #: 15092 1× Dark Bluish Gray
Technic Axle 5 with Stop Technic Axle 5 wi...
Part #: 15462 1× Reddish Brown
Tile Round 2 x 2 with Hole Tile Round 2 x 2 ...
Part #: 15535 8× Dark Bluish Gray
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 1× White
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 2× Dark Bluish Gray
Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Brick Sloped 45° ...
Part #: 15672 4× Dark Bluish Gray
Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Brick Sloped 45° ...
Part #: 15672 4× Light Bluish Gray
Brick Round 2 x 2, Pin Holes with Gold Lapels, Dark Blue Trim, and White Undershirt Print Brick Round 2 x 2...
Part #: 17485pr9999 1× Blue
Plate Round Half 3 x 6 with 1 x 2 Cutout Plate Round Half ...
Part #: 18646 1× Black
Plate Special 1 x 2 with Handles on Ends Plate Special 1 x...
Part #: 18649 2× Light Bluish Gray
Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Technic Axle Pin ...
Part #: 18651 1× Black
Technic Pin Connector Round 1L [Beam] Technic Pin Conne...
Part #: 18654 1× Dark Bluish Gray
Technic Pin Connector Round 1L [Beam] Technic Pin Conne...
Part #: 18654 1× White
Plate Special 1 x 2 with Pin Hole Underneath Plate Special 1 x...
Part #: 18677 2× White
Plate Special 1 x 2 with Pin Hole Underneath Plate Special 1 x...
Part #: 18677 4× Red
Fence Spindled 4 x 4 x 2 Quarter Round with 3 Studs Fence Spindled 4 ...
Part #: 21229 1× Medium Nougat
Brick Sloped 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid] Brick Sloped 45° ...
Part #: 22388 2× Trans-Orange
Brick Sloped 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid] Brick Sloped 45° ...
Part #: 22388 6× Tan
Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Brick Special 1 x...
Part #: 22885 2× Tan
Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Brick Special 1 x...
Part #: 22885 6× Light Bluish Gray
Plate Round Half 4 x 8 Plate Round Half ...
Part #: 22888 2× Dark Bluish Gray
Brick 2 x 2 Corner Brick 2 x 2 Corner
Part #: 2357 2× Dark Bluish Gray
Plate 2 x 2 Corner Plate 2 x 2 Corner
Part #: 2420 5× Black
Brick Curved Inverted 2 x 1 Brick Curved Inve...
Part #: 24201 6× Tan
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 3× Medium Nougat
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 2× Yellow
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 2× Black
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 4× Light Bluish Gray
Technic Axle 3 with Stop Technic Axle 3 wi...
Part #: 24316 5× Reddish Brown
Wedge Plate 3 x 3 Cut Corner Wedge Plate 3 x 3...
Part #: 2450 2× Light Bluish Gray
Cylinder Half 2 x 4 x 2 with 1 x 2 Cutout Cylinder Half 2 x...
Part #: 24593 2× Light Bluish Gray
Plate Special 2 x 2 with Pin on Bottom Plate Special 2 x...
Part #: 2476a 4× Dark Tan
Plant, Flower, Plate Round 1 x 1 with 5 Petals Plant, Flower, Pl...
Part #: 24866 2× Medium Lavender
Tile Round 1 x 1 Quarter Tile Round 1 x 1 ...
Part #: 25269 8× Black
Tile Round 1 x 1 Quarter Tile Round 1 x 1 ...
Part #: 25269 4× Red
Plate Special 1 x 2 Side Handle [Free Ends] Plate Special 1 x...
Part #: 2540 2× Light Bluish Gray
Plate Special 2 x 4 with 2 Pin Holes Plate Special 2 x...
Part #: 26599 1× Light Bluish Gray
Wedge Plate 2 x 2 Cut Corner Wedge Plate 2 x 2...
Part #: 26601 6× Light Bluish Gray
Technic Disc 3 x 3 Technic Disc 3 x 3
Part #: 2723 1× Black
Tile 4 x 4 Curved, Macaroni Tile 4 x 4 Curved...
Part #: 27507 2× Light Bluish Gray
Tile 2 x 2 Curved, Macaroni Tile 2 x 2 Curved...
Part #: 27925 8× Light Bluish Gray
Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud Brick Sloped 45° ...
Part #: 28192 4× Dark Bluish Gray
Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud Brick Sloped 45° ...
Part #: 28192 4× Light Bluish Gray
Arm, Short, with Technic Pin Arm, Short, with ...
Part #: 28660 2× Light Nougat
Brick Wedged, Curved 2 x 1 with Stud Notch Right Brick Wedged, Cur...
Part #: 29119 4× Light Bluish Gray
Brick Wedged, Curved 2 x 1 with Stud Notch Left Brick Wedged, Cur...
Part #: 29120 4× Light Bluish Gray
Brick 2 x 4 Brick 2 x 4
Part #: 3001 2× White
Brick 2 x 2 Brick 2 x 2
Part #: 3003 5× Light Bluish Gray
Brick 2 x 2 with Face, Surprised Open Mouth print Brick 2 x 2 with ...
Part #: 3003pr0160 1× Light Nougat
Brick 1 x 2 Brick 1 x 2
Part #: 3004 1× Sand Green
Brick 1 x 2 Brick 1 x 2
Part #: 3004 2× Bright Green
Brick 1 x 2 Brick 1 x 2
Part #: 3004 2× Light Bluish Gray
Brick 1 x 2 Brick 1 x 2
Part #: 3004 3× Dark Bluish Gray
Brick 1 x 2 Brick 1 x 2
Part #: 3004 1× Green
Brick 1 x 2 with White Question Mark '?' print Brick 1 x 2 with ...
Part #: 3004pr0075 1× Yellow
Brick 1 x 1 Brick 1 x 1
Part #: 3005 1× Dark Bluish Gray
Brick 1 x 1 Brick 1 x 1
Part #: 3005 2× Light Bluish Gray
Brick 1 x 8 Brick 1 x 8
Part #: 3008 1× Dark Bluish Gray
Brick 1 x 4 Brick 1 x 4
Part #: 3010 1× Black
Brick 1 x 4 Brick 1 x 4
Part #: 3010 1× Light Bluish Gray
Brick 1 x 4 Brick 1 x 4
Part #: 3010 4× Dark Bluish Gray
Brick Special 1 x 2 Palisade [aka Log] Brick Special 1 x...
Part #: 30136 2× Medium Nougat
Brick Special 1 x 4 Palisade [aka Log] Brick Special 1 x...
Part #: 30137 2× Medium Nougat
Plate 2 x 4 Plate 2 x 4
Part #: 3020 3× Light Bluish Gray
Plate 2 x 4 Plate 2 x 4
Part #: 3020 5× Black
Plate 2 x 4 Plate 2 x 4
Part #: 3020 2× Red
Plate 2 x 4 Plate 2 x 4
Part #: 3020 8× Bright Green
Plate 2 x 4 Plate 2 x 4
Part #: 3020 2× Blue
Plate 2 x 3 Plate 2 x 3
Part #: 3021 8× Dark Bluish Gray
Plate 2 x 2 Plate 2 x 2
Part #: 3022 5× Green
Plate 2 x 2 Plate 2 x 2
Part #: 3022 4× Light Bluish Gray
Plate 2 x 2 Plate 2 x 2
Part #: 3022 1× Blue
Plate 2 x 2 Plate 2 x 2
Part #: 3022 2× Black
Plate 1 x 2 Plate 1 x 2
Part #: 3023 27× Green
Plate 1 x 2 Plate 1 x 2
Part #: 3023 2× Red
Plate 1 x 2 Plate 1 x 2
Part #: 3023 6× Light Bluish Gray
Plate 1 x 2 Plate 1 x 2
Part #: 3023 9× Dark Brown
Plate 1 x 2 Plate 1 x 2
Part #: 3023 4× Yellow
Plate 1 x 2 Plate 1 x 2
Part #: 3023 9× Dark Bluish Gray
Plate 1 x 1 Plate 1 x 1
Part #: 3024 9× Olive Green
Plate 1 x 1 Plate 1 x 1
Part #: 3024 2× Dark Bluish Gray
Plate 1 x 1 Plate 1 x 1
Part #: 3024 6× Tan
Plate 1 x 1 Plate 1 x 1
Part #: 3024 10× Light Bluish Gray
Plate 4 x 12 Plate 4 x 12
Part #: 3029 1× Dark Bluish Gray
Plate 2 x 8 Plate 2 x 8
Part #: 3034 2× Dark Bluish Gray
Plate 2 x 8 Plate 2 x 8
Part #: 3034 1× Black
Plate 2 x 8 Plate 2 x 8
Part #: 3034 2× Medium Nougat
Plate 4 x 8 Plate 4 x 8
Part #: 3035 1× Dark Bluish Gray
Brick Sloped 45° 2 x 2 Brick Sloped 45° ...
Part #: 3039 1× Light Bluish Gray
Brick Sloped 45° 2 x 1 with Bottom Pin Brick Sloped 45° ...
Part #: 3040b 4× Green
Brick Special 1 x 4 with 4 Studs on One Side Brick Special 1 x...
Part #: 30414 1× White
Brick Sloped 45° 2 x 2 Double Brick Sloped 45° ...
Part #: 3043 1× Black
Brick Sloped 45° 2 x 1 Double / Inverted with Bottom Stud Holder Brick Sloped 45° ...
Part #: 3049d 2× Light Bluish Gray
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b 13× Dark Bluish Gray
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b 3× Black
Tile 2 x 2 with Stopwatch, Coins print Tile 2 x 2 with S...
Part #: 3068bpr0551 1× Yellow
Tile 2 x 2 with 'Start', Three Coins, and Barcode Print (Sticker) Tile 2 x 2 with '...
Part #: 3068bpr9716 1× Yellow
Tile 2 x 2 with Grrrol and Barcode Print (Sticker) Tile 2 x 2 with G...
Part #: 3068bpr9717 2× Red
Tile 2 x 2 with Reznor and Barcode Print (Sticker) Tile 2 x 2 with R...
Part #: 3068bpr9718 1× Light Bluish Gray
Tile 2 x 2 with Reznor and Barcode Print (Sticker) Tile 2 x 2 with R...
Part #: 3068bpr9719 1× Light Bluish Gray
Tile 2 x 2 with Speech Bubble with '!' and Barcode Print (Sticker) Tile 2 x 2 with S...
Part #: 3068bpr9720 1× Blue
Tile 2 x 2 with '?' and Barcode Print (Sticker) Tile 2 x 2 with '...
Part #: 3068bpr9990 1× Yellow
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 1× Dark Bluish Gray
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 3× Bright Green
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 1× Red
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 4× Tan
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 4× Yellow
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 2× Light Bluish Gray
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 4× Black
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b 6× Medium Nougat
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b 2× Dark Bluish Gray
Technic Brick 1 x 2 [2 Pin Holes] Technic Brick 1 x...
Part #: 32000 1× White
Technic Brick 1 x 2 [2 Pin Holes] Technic Brick 1 x...
Part #: 32000 2× Black
Technic Plate 2 x 6 [5 Holes] Technic Plate 2 x...
Part #: 32001 4× Light Bluish Gray
Technic Axle and Pin Connector Angled #6 - 90° Technic Axle and ...
Part #: 32014 1× Black
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Technic Brick 1 x...
Part #: 32064a 1× Green
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin Technic Brick 1 x...
Part #: 32064a 2× Yellow
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Technic Bush 1/2 ...
Part #: 32123b 1× Yellow
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Technic Bush 1/2 ...
Part #: 32123b 1× Light Bluish Gray
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Technic Axle and ...
Part #: 32184 1× Yellow
Technic Gear 20 Tooth Bevel Technic Gear 20 T...
Part #: 32198 1× Tan
Technic Beam 1 x 5 Thick Technic Beam 1 x ...
Part #: 32316 1× Black
Brick 1 x 2 x 2 with Inside Stud Holder Brick 1 x 2 x 2 w...
Part #: 3245c 3× Dark Bluish Gray
Technic Ball Joint Technic Ball Joint
Part #: 32474 1× Light Bluish Gray
Technic Ball Joint Technic Ball Joint
Part #: 32474 1× Bright Light Orange
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 1× Black
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 5× Black
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 2× Dark Bluish Gray
Plant, Plate 1 x 1 Round with 3 Leaves Plant, Plate 1 x ...
Part #: 32607 2× Bright Green
Brick Curved Inverted 2 x 2 x 2/3 Brick Curved Inve...
Part #: 32803 4× White
Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side Brick Special 1 x...
Part #: 32952 3× Dark Bluish Gray
Brick Sloped 33° 3 x 4 Brick Sloped 33° ...
Part #: 3297 1× Black
Plate Special 2 x 2 with Only 2 studs Plate Special 2 x...
Part #: 33909 2× Light Bluish Gray
Plate Special 2 x 2 with Only 2 studs Plate Special 2 x...
Part #: 33909 2× White
Plate Special 2 x 2 with Only 2 studs Plate Special 2 x...
Part #: 33909 3× Red
Plate 1 x 8 Plate 1 x 8
Part #: 3460 1× Green
Plate 1 x 8 Plate 1 x 8
Part #: 3460 1× Black
Plate Special 4 x 4 Splat Gear, 10 Teeth Plate Special 4 x...
Part #: 35443 4× Dark Bluish Gray
Plate Special 1 x 2 Rounded with 2 Open Studs Plate Special 1 x...
Part #: 35480 3× Dark Bluish Gray
Plate Special 1 x 2 Rounded with 2 Open Studs Plate Special 1 x...
Part #: 35480 4× Tan
Brick 1 x 3 Brick 1 x 3
Part #: 3622 2× Dark Bluish Gray
Plate 1 x 3 Plate 1 x 3
Part #: 3623 4× Dark Bluish Gray
Plate 1 x 3 Plate 1 x 3
Part #: 3623 4× Light Bluish Gray
Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Brick Sloped Inve...
Part #: 3660 1× Black
Brick Sloped Inverted 45° 2 x 1 Brick Sloped Inve...
Part #: 3665 6× Dark Bluish Gray
Plate 1 x 6 Plate 1 x 6
Part #: 3666 5× Dark Bluish Gray
Plate 1 x 6 Plate 1 x 6
Part #: 3666 6× Light Bluish Gray
Plate 1 x 6 Plate 1 x 6
Part #: 3666 8× Black
Technic Pin without Friction Ridges Lengthwise Technic Pin witho...
Part #: 3673 12× Light Bluish Gray
Bracket 1 x 1 - 1 x 1 Bracket 1 x 1 - 1...
Part #: 36841 4× Light Bluish Gray
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 1× Dark Bluish Gray
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 1× Light Bluish Gray
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 8× Black
Technic Brick 1 x 4 [3 Pin Holes] Technic Brick 1 x...
Part #: 3701 1× Black
Technic Brick 1 x 4 [3 Pin Holes] Technic Brick 1 x...
Part #: 3701 1× Light Bluish Gray
Technic Brick 1 x 16 [15 Pin Holes] Technic Brick 1 x...
Part #: 3703 1× Dark Bluish Gray
Technic Plate 2 x 4 [3 Holes] Technic Plate 2 x...
Part #: 3709 1× Black
Technic Plate 2 x 4 [3 Holes] Technic Plate 2 x...
Part #: 3709 1× Dark Bluish Gray
Plate 1 x 4 Plate 1 x 4
Part #: 3710 2× Tan
Plate 1 x 4 Plate 1 x 4
Part #: 3710 6× Dark Bluish Gray
Plate 1 x 4 Plate 1 x 4
Part #: 3710 5× Light Bluish Gray
Technic Plate 2 x 8 [7 Holes] Technic Plate 2 x...
Part #: 3738 4× Medium Nougat
Wave / Flame Small with Pin Wave / Flame Smal...
Part #: 37775 3× Trans-Orange
Plate 2 x 6 Plate 2 x 6
Part #: 3795 1× Blue
Plate 2 x 6 Plate 2 x 6
Part #: 3795 1× Medium Nougat
Plate 2 x 6 Plate 2 x 6
Part #: 3795 4× Light Bluish Gray
Plate 2 x 6 Plate 2 x 6
Part #: 3795 1× Dark Bluish Gray
Plate 2 x 10 Plate 2 x 10
Part #: 3832 5× Blue
Plate 2 x 10 Plate 2 x 10
Part #: 3832 1× Dark Bluish Gray
Plate 2 x 10 Plate 2 x 10
Part #: 3832 1× Light Bluish Gray
Technic Brick 1 x 6 [5 Pin Holes] Technic Brick 1 x...
Part #: 3894 2× Black
Technic Brick 1 x 6 [5 Pin Holes] Technic Brick 1 x...
Part #: 3894 2× Dark Bluish Gray
Hinge Brick 1 x 2 Base Hinge Brick 1 x 2...
Part #: 3937 1× Light Bluish Gray
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 14× Black
Technic Pin Long without Friction Ridges, with Anti-Roll Notch Technic Pin Long ...
Part #: 39888 4× Tan
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 9× Light Bluish Gray
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 3× Yellow
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 1× White
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 2× Black
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 2× Medium Nougat
Technic Beam 1 x 9 Thick Technic Beam 1 x ...
Part #: 40490 2× Light Bluish Gray
Brick Special 1 x 1 with Headlight Brick Special 1 x...
Part #: 4070 2× Bright Green
Tile 1 x 8 with Groove Tile 1 x 8 with G...
Part #: 4162 2× Blue
Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Plate Special 1 x...
Part #: 41740 3× Light Bluish Gray
Technic Pin 1/2 Technic Pin 1/2
Part #: 4274 3× Light Bluish Gray
Brick Sloped Inverted 33° 3 x 1 with Internal Stopper and No Front Stud Connection Brick Sloped Inve...
Part #: 4287c 4× Light Bluish Gray
Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot Technic Pin Long ...
Part #: 42924 1× Blue
Technic Axle Pin with Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 43093 3× Blue
Support Round 1 x 1 x 6 Solid Pillar Support Round 1 x...
Part #: 43888 2× Dark Bluish Gray
Bracket 1 x 2 - 2 x 2 Bracket 1 x 2 - 2...
Part #: 44728 9× Black
Plate Special 1 x 2 [Open O Top Clip] Plate Special 1 x...
Part #: 44861 2× Light Bluish Gray
Brick Arch 1 x 3 Brick Arch 1 x 3
Part #: 4490 4× Light Bluish Gray
Technic Axle Connector Double Flexible [Rubber] Technic Axle Conn...
Part #: 45590 2× Black
Brick Curved 3 x 1 No Studs Brick Curved 3 x ...
Part #: 50950 4× Light Bluish Gray
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Brick Sloped 30° ...
Part #: 54200 7× Sand Green
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Brick Sloped 30° ...
Part #: 54200 2× Dark Bluish Gray
Technic Axle 8 with Stop Technic Axle 8 wi...
Part #: 55013 1× Dark Bluish Gray
Technic Tread Sprocket Wheel Large 10 Tooth Technic Tread Spr...
Part #: 57519 1× Light Bluish Gray
Plate Round Corner 6 x 6 Plate Round Corne...
Part #: 6003 1× Dark Bluish Gray
Plate Round 4 x 4 with Pin Hole Plate Round 4 x 4...
Part #: 60474 2× Dark Bluish Gray
Plate Special 1 x 2 with Handle on End [Closed Ends] Plate Special 1 x...
Part #: 60478 2× Light Bluish Gray
Technic Beam 3 x 3 T-Shape Thick Technic Beam 3 x ...
Part #: 60484 1× Black
Window 1 x 2 x 2 Flat Front Window 1 x 2 x 2 ...
Part #: 60592 2× Tan
Brick Curved 2 x 4 x 1 1/3 Brick Curved 2 x ...
Part #: 6081 2× Light Bluish Gray
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Plate Special 1 x...
Part #: 60897 4× Tan
Brick 1 x 12 Brick 1 x 12
Part #: 6112 1× Dark Bluish Gray
Technic Pin with Friction Ridges Lengthwise with No Center Slots Technic Pin with ...
Part #: 61332 12× Black
Hinge Brick 2 x 2 Top Plate Thin Hinge Brick 2 x 2...
Part #: 6134 1× Black
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 8× Tan
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 20× Dark Bluish Gray
Turntable 4 x 4 Square Base, Locking Turntable 4 x 4 S...
Part #: 61485 5× Light Bluish Gray
Brick Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole Brick Round 4 x 4...
Part #: 6222 2× White
Technic Pin Connector Round [Slotted] Technic Pin Conne...
Part #: 62462 1× White
Tile 1 x 3 Tile 1 x 3
Part #: 63864 2× Light Bluish Gray
Plate Special 1 x 2 with Clip Horizontal on End Plate Special 1 x...
Part #: 63868 2× Light Bluish Gray
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] Technic Pin Long ...
Part #: 65304 2× Black
Technic Brick 1 x 1 with Pin Hole Technic Brick 1 x...
Part #: 6541 2× Dark Bluish Gray
Plate Special 2 x 4 with Groove and Two Center Studs (Jumper) Plate Special 2 x...
Part #: 65509 2× Dark Bluish Gray
Technic Axle 3 with Stud Technic Axle 3 wi...
Part #: 6587 1× Dark Tan
Technic Gear 12 Tooth Bevel Technic Gear 12 T...
Part #: 6589 1× Tan
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 1× Medium Nougat
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 1× Tan
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 5× Dark Bluish Gray
Pipe 6 x 6 (Warp Pipe) Pipe 6 x 6 (Warp ...
Part #: 66787 1× Yellow
Plate Round Corners 6 x 6 x 2/3 Circle with Reduced Knobs Plate Round Corne...
Part #: 66789 1× Yellow
Plate Round Corners 6 x 6 x 2/3 Circle with Reduced Knobs Plate Round Corne...
Part #: 66789 1× Blue
Plate Round Corners 6 x 6 x 2/3 Circle with Reduced Knobs Plate Round Corne...
Part #: 66789 1× Bright Green
Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs Plate Round Corne...
Part #: 66792 2× Black
Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs Plate Round Corne...
Part #: 66792 3× Blue
Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs Plate Round Corne...
Part #: 66792 1× Light Bluish Gray
Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs Plate Round Corne...
Part #: 66792 5× Medium Nougat
Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs Plate Round Corne...
Part #: 66792 1× Bright Green
Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs and 'X' and Barcode Print (Sticker) Plate Round Corne...
Part #: 66792pr0125 2× Medium Nougat
Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs and Spiked Ram and Barcode Print (Sticker) Plate Round Corne...
Part #: 66792pr0127 1× Black
Brick Special Cube with 2 x 2 Studs on Top, and Blue Circles Print Brick Special Cub...
Part #: 66855pr0004 1× White
Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole Technic Pin with ...
Part #: 66906 1× Red
Tile Round 3 x 3 with Face, Sharp Teeth, Red Eyes print Tile Round 3 x 3 ...
Part #: 67095pr0012 1× Light Bluish Gray
Tile 2 x 6 Tile 2 x 6
Part #: 69729 2× Dark Bluish Gray
Tile 2 x 6 Tile 2 x 6
Part #: 69729 1× Light Bluish Gray
Bracket 3 x 2 x 1 1/3 with Bottom Stud Holder Bracket 3 x 2 x 1...
Part #: 73562 2× Dark Bluish Gray
Bracket 1 x 1 - 1 x 2 Inverted Bracket 1 x 1 - 1...
Part #: 73825 2× White
Plate 2 x 3 with 1 x 1 Cutout Plate 2 x 3 with ...
Part #: 73831 4× Dark Brown
Plate 2 x 3 with 1 x 1 Cutout Plate 2 x 3 with ...
Part #: 73831 2× Medium Nougat
Plate Round Corners Double 4 x 8 with 2 x 2 Cutout and 2 x 8 Raised Studs, Reduces Nubs Plate Round Corne...
Part #: 73832 1× Bright Green
Bracket 5 x 2 x 2 1/3 with Holes, Inside Stud Holder Bracket 5 x 2 x 2...
Part #: 76766 2× Black
Plate Round Corners 4 x 4 x 2/3 Circle with 2 x 2 Opening Plate Round Corne...
Part #: 79387 2× Dark Bluish Gray
Plate Round Corners 4 x 4 x 2/3 Circle with 2 x 2 Opening Plate Round Corne...
Part #: 79387 2× Yellow
Bracket 1 x 1 - 1 x 2 Bracket 1 x 1 - 1...
Part #: 79389 12× Light Bluish Gray
Tile 3 x 3 Curved, Macaroni Tile 3 x 3 Curved...
Part #: 79393 4× Olive Green
Feet, 2 x 2 x 2/3, Front Left Foot Forward with 4 Studs on Top Feet, 2 x 2 x 2/3...
Part #: 79750 1× Reddish Brown
Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] Brick Round Corne...
Part #: 85080 8× Light Bluish Gray
Brick Sloped 30° 1 x 2 x 2/3 Brick Sloped 30° ...
Part #: 85984 2× Black
Tile 2 x 4 with Groove Tile 2 x 4 with G...
Part #: 87079 1× Tan
Tile 2 x 4 with Groove Tile 2 x 4 with G...
Part #: 87079 2× Black
Technic Axle 4 with Stop Technic Axle 4 wi...
Part #: 87083 4× Dark Bluish Gray
Plate Special 2 x 2 with Groove and Center Stud (Jumper) Plate Special 2 x...
Part #: 87580 2× Dark Bluish Gray
Plate Special 2 x 2 with Groove and Center Stud (Jumper) Plate Special 2 x...
Part #: 87580 1× Black
Plate Special 2 x 2 with Groove and Center Stud (Jumper) Plate Special 2 x...
Part #: 87580 1× Red
Plate 2 x 14 Plate 2 x 14
Part #: 91988 1× Dark Bluish Gray
Plate 2 x 14 Plate 2 x 14
Part #: 91988 3× Light Bluish Gray
Brick Arch 1 x 6 Raised Arch Brick Arch 1 x 6 ...
Part #: 92950 2× Light Bluish Gray
Brick Curved 4 x 1 Double with No Studs Brick Curved 4 x ...
Part #: 93273 4× Light Bluish Gray
Brick and Axle Separator v2.0 Brick and Axle Se...
Part #: 96874 1× Orange
Tile Round 1 x 1 Tile Round 1 x 1
Part #: 98138 5× Light Bluish Gray
Tile Round 1 x 1 Tile Round 1 x 1
Part #: 98138 3× Dark Tan
Tile Round 1 x 1 Tile Round 1 x 1
Part #: 98138 1× Red
Brick Special 1 x 2 with Masonry Brick Profile Brick Special 1 x...
Part #: 98283 2× Light Bluish Gray
Bracket 1 x 2 - 2 x 2 Inverted Bracket 1 x 2 - 2...
Part #: 99207 1× Yellow
Bracket 1 x 2 - 2 x 2 Inverted Bracket 1 x 2 - 2...
Part #: 99207 11× Light Bluish Gray
The set features a good quantity of Light Bluish Gray and Dark Bluish Gray elements, useful for MOC builders needing neutral tones. The Olive Green plates offer a pop of color and are relatively uncommon.

🛒 Where to Buy

eBay
✓ In Stock
$62.99 →
Walmart
✓ In Stock
$66.49
Target
✓ In Stock
$69.99
Amazon
Check price
→

💎 Notable Parts

Green Plate 1 x 2 (27x) $1.35
Dark Bluish Gray Plate Round 1 x 1 with Solid Stud (20x) $1.00
Black Brick Round 2 x 2 with Axle Hole (14x) $1.40
Black Technic Pin with Friction Ridges Lengthwise with No Center Slots (12x) $0.60
Olive Green Plate 1 x 1 (9x) $0.45
Est. BrickLink Part Value
$4.80

💡 MOC Potential

🚗 Technic vehicle with rotating mechanisms
🌳 Rotating windmill scene
🤖 Spinning robot platform

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Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

2 videos found
BlockTalk AI

BlueBrick33 praises the Reznor Knockdown Expansion Set's skewer function, noting its faithful recreation of the game mechanic and the value for the $70 price point. BrickMeisterZ highlights the unique yellow pipe with a 30-second timer and the set's Resnor ferris wheel mechanism.

YouTube thumbnail: LEGO Super Mario Reznor Knockdown Expansion Set Expansion Set Unboxing! (71390)

LEGO Super Mario Reznor Knockdown Expansion Set Expansion Set Unboxing! (71390)

BlueBrick33 • 180.0K views Review
YouTube thumbnail: LEGO Super Mario Reznor Knockdown Speed Build! 🦏

LEGO Super Mario Reznor Knockdown Speed Build! 🦏

BrickMeisterZ • 1.4K views Review
Community insights from Reddit discussions and YouTube reviews. Content may not reflect official LEGO positions.

What the Community Says

2 YouTube reviews
BlockTalk AI Summary

BlueBrick33 praises the Reznor Knockdown Expansion Set's skewer function, noting its faithful recreation of the game mechanic and the value for the $70 price point. BrickMeisterZ highlights the unique yellow pipe with a 30-second timer and the set's Resnor ferris wheel mechanism.

Reddit Reviews

No Reddit reviews found

YouTube Reviews

2 videos
YouTube thumbnail: LEGO Super Mario Reznor Knockdown Expansion Set Expansion Set Unboxing! (71390)

LEGO Super Mario Reznor Knockdown Expansion Set Expansion Set Unboxing! (71390)

BlueBrick33
180.0K views Review
YouTube thumbnail: LEGO Super Mario Reznor Knockdown Speed Build! 🦏

LEGO Super Mario Reznor Knockdown Speed Build! 🦏

BrickMeisterZ
1.4K views Review
Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

Charts Inventory Statistics

189
Unique Parts
862
Total Pieces
0
Minifigures
Inventory Version: 1

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