Mech battles unleashed!
Gear up with Lloyd's Mech

Enter the action-packed world of Ninjago with this 234-piece set! Featuring posable mechs and Golden Lloyd, it's the ultimate ninja showdown.

Breaking News
🏛 Ninjago
Set #71781

Lloyd's Mech Battle EVO

Lloyd's Mech Battle EVO is an absolute standout value for young Ninjago fans and mech enthusiasts alike.

Before you buy

Who it's for
Beginner build Perfect for younger builders aged 6+ and fans of quick, satisfying mech builds.
Build
223 pieces · about 0.8 hours Build time is an estimate.
Price
$19.99 list price · 9.0¢ per piece
Availability
Retired at LEGO
★★★☆☆ 3.8 community rating from 73 ratings

Fans overwhelmingly praise the set for offering two complete, posable mechs and great minifigures at an affordable price, though some note the builds are a bit simplistic.

📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

Lloyd's Mech Battle EVO is an absolute standout value for young Ninjago fans and mech enthusiasts alike. Delivering two fully posable mechs in a single $20 box is a masterclass in LEGO playability and affordability.

This set is perfect for kids getting into the hobby and adult customizers looking for ball-joint parts. The quick, engaging build can be completed in under an hour, offering immediate play value and awesome upgrading features with the included golden armor and wings.

Skip this if you are looking for a complex, challenging building experience or large-scale display pieces. At 234 pieces, it is squarely designed as an action-packed toy rather than an intricate collector's display model.

✨ New
BlockTalk

Ask BlockTalk about this set

AI assistant with full set data

Powered by AI
BlockTalk
BlockTalk
Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the Lloyd's Mech Battle EVO - building tips, investment potential, comparisons, or anything else!
Try asking:
What makes Lloyd's Mech Battle EVO different from other Ninjago mech sets? Can both mechs really fit inside the box and still be posed easily? How does the 'EVO' upgrade feature work for younger builders? Is this set a good parts pack for custom mech builders?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI
🧩
223
Pieces
⏱
0.75h
Estimated Build Time
📊
Beginner
Difficulty
Build Highlights:
  • Features two distinct, fully posable mechs in one box
  • Includes upgrade elements like golden armor and wings for Lloyd's mech
  • Utilizes ball-joint socket pieces for great articulation
  • Quick and accessible build process with high play value

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI
Not enough price history for a trend
B
Investment Grade
⏳ Retired
As a retired low-priced Ninjago battle pack featuring two complete mechs, 71781-1 holds solid potential for steady, modest appreciation. Sets under $25 that include exclusive character variants and playable duos are historically popular with parents looking for birthday gifts or stocking stuffers, keeping sealed demand relatively consistent. While it won't yield massive high-end collector returns like a large UCS set, its low entry barrier and high playability make it a safe, reliable candidate for small-scale investors holding retired Ninjago inventory.

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

⚖ Compare Similar Sets

Compared to standalone single-mech sets like Kai's Mech Rider EVO (71783), this battle pack gives you double the action out of the box with two opposing fighters for a lower price point, making it the ultimate budget-friendly duel set.

2 Minifigures Included

The set includes two great figures: Golden Lloyd and a menacing Bone Warrior, both equipped with weapons and featuring fantastic detailing for a budget set.

📦 Parts Inventory

Official piece count
223
Parts cataloged in this inventory
67 unique parts, 225 pieces
Minifigures
2

LEGO counts 223 pieces. This inventory comes from a separate parts catalog and lists 234, including the 9 parts inside the minifigures; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Plate Special 1 x 2 with Clip Horizontal on Side Plate Special 1 x...
Part #: 11476 5× Black
Brick Wedged, Sloped 45° 2 x 2 Corner Brick Wedged, Slo...
Part #: 13548 4× Black
Plate Special 1 x 2 with 5.9mm Centre Side Towball Plate Special 1 x...
Part #: 14417 12× Dark Bluish Gray
Plate Special 1 x 2 5.9mm Towball Socket Plate Special 1 x...
Part #: 14418 2× Light Bluish Gray
Plate Special 1 x 2 5.9mm Centre Side Towball Socket Plate Special 1 x...
Part #: 14704 12× Light Bluish Gray
Tile Round 2 x 2 with Orange Energy Core Print Tile Round 2 x 2 ...
Part #: 14769pr9994 1× Pearl Gold
Plate Special 1 x 2 with Three Teeth [Tri-Tooth] Plate Special 1 x...
Part #: 15208 2× White
Tile Special 1 x 2 with Two Vertical Teeth / Tooth Tile Special 1 x ...
Part #: 15209 4× White
Tile Special Round 2 x 2 with Hole Tile Special Roun...
Part #: 15535 1× Red
Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] Weapon Sword / Ka...
Part #: 21459 1× Pearl Gold
Headwear Accessory, Cross Horns / Bones Headwear Accessor...
Part #: 2186a 2× White
Weapon Throwing Star / Shuriken, Bone Weapon Throwing S...
Part #: 2186b 4× White
Weapon Dagger, Bone Weapon Dagger, Bone
Part #: 2186c 2× White
Weapon Sword, Bone Weapon Sword, Bone
Part #: 2186d 2× White
Weapon Axe, Bone/Sickle Weapon Axe, Bone/...
Part #: 2186e 2× White
Tile Special 2 x 3 Pentagonal Tile Special 2 x ...
Part #: 22385 2× Dark Green
Tile Special 2 x 3 Pentagonal with Gold Shield, Asian Symbol Print Tile Special 2 x ...
Part #: 22385pr9963 2× Dark Green
Plate Special 1 x 2 with End Towball Plate Special 1 x...
Part #: 22890 2× Dark Bluish Gray
Large Figure Weapon Lightsaber Hilt with Axle Hole and Two Bar Holders Large Figure Weap...
Part #: 24122 2× Black
Plate Special 1 x 2 Side Handle [Free Ends] Plate Special 1 x...
Part #: 2540 5× Pearl Gold
Plate Special 1 x 1 Rounded with Handle Plate Special 1 x...
Part #: 26047 2× White
Tile 2 x 3 Tile 2 x 3
Part #: 26603 3× Light Bluish Gray
Tile 2 x 3 with Lime Ninjago Resilience Banner Print Tile 2 x 3 with L...
Part #: 26603pr9972 1× Red
Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top] Bracket 1 x 2 - 1...
Part #: 28802 2× Black
Brick 2 x 2 Brick 2 x 2
Part #: 3003 1× Green
Plate 2 x 4 Plate 2 x 4
Part #: 3020 2× Red
Plate 2 x 4 Plate 2 x 4
Part #: 3020 2× Dark Green
Plate 2 x 3 Plate 2 x 3
Part #: 3021 1× Black
Plate 2 x 3 Plate 2 x 3
Part #: 3021 7× Green
Plate 2 x 2 Plate 2 x 2
Part #: 3022 1× Black
Plate 2 x 2 Plate 2 x 2
Part #: 3022 4× Dark Bluish Gray
Plate 2 x 2 Plate 2 x 2
Part #: 3022 2× Red
Plate 1 x 2 Plate 1 x 2
Part #: 3023 2× Trans-Orange
Plate 1 x 2 Plate 1 x 2
Part #: 3023 6× Green
Plate 1 x 2 Plate 1 x 2
Part #: 3023 6× Red
Plate 2 x 8 Plate 2 x 8
Part #: 3034 1× Dark Bluish Gray
Brick Sloped 45° 2 x 2 Brick Sloped 45° ...
Part #: 3039 4× Green
Tile 2 x 2 with Groove Tile 2 x 2 with G...
Part #: 3068b 1× White
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 3× Red
Technic Axle and Pin Connector Angled #4 - 135° Technic Axle and ...
Part #: 32192 1× Light Bluish Gray
Large Figure Weapon Sword, 3 Bar Holes and Axle Hilt Large Figure Weap...
Part #: 35633 2× Pearl Gold
Weapon Sword Hilt with Dragon Head Weapon Sword Hilt...
Part #: 36017 1× Pearl Gold
Plate 2 x 6 Plate 2 x 6
Part #: 3795 6× Black
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 4× Light Bluish Gray
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a 1× White
Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Plate Special 1 x...
Part #: 41740 2× White
Technic Axle Pin with Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 43093 1× Blue
Dish 6 x 6 Inverted (Radar) with Solid Studs Dish 6 x 6 Invert...
Part #: 44375b 1× Black
Plate Special 1 x 2, Top Clip [Open O] Plate Special 1 x...
Part #: 44861 2× Medium Nougat
Plate Special 1 x 2, Top Clip [Open O] Plate Special 1 x...
Part #: 44861 2× White
Brick Wedged, Curved 2 x 3 x 2/3 Two Studs, Wing End Brick Wedged, Cur...
Part #: 47456 5× Pearl Titanium
Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End Brick Curved 2 x ...
Part #: 47457 2× Pearl Gold
Brick Wedged, Curved 1 x 2 x 2/3 No Studs, Wing End Brick Wedged, Cur...
Part #: 47458 3× Pearl Gold
Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Brick Sloped Inve...
Part #: 4871 2× Light Bluish Gray
Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Brick Sloped Inve...
Part #: 4871 2× Black
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Brick Sloped 30° ...
Part #: 54200 4× Green
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 2× Pearl Gold
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 2× White
Plate Special 1 x 2 with Clips Horizontal [Open O Clips] Plate Special 1 x...
Part #: 60470b 2× Red
Plate Special 1 x 2 with Handle on End [Closed Ends] Plate Special 1 x...
Part #: 60478 2× White
Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Plate Special 1 x...
Part #: 60897 2× Light Bluish Gray
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 2× Trans-Bright Green
Bar 6L with Stop Ring Bar 6L with Stop ...
Part #: 63965 1× Pearl Gold
Bar 6L with Stop Ring Bar 6L with Stop ...
Part #: 63965 2× White
Weapon Hilt Symmetric Weapon Hilt Symme...
Part #: 66909 1× Black
Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate Technic Brick Spe...
Part #: 73109 1× Light Bluish Gray
Plate Special 2 x 2 with Bar Frame Octagonal, Reinforced, Completely Round Studs Plate Special 2 x...
Part #: 75937 1× White
Brick Sloped Inverted 45° 2 x 2 [Round Hollow Bottom Pin, Bar-sized Stud Holes] Brick Sloped Inve...
Part #: 76959 2× Light Bluish Gray
Brick Sloped Inverted 45° 2 x 2 [Round Hollow Bottom Pin, Bar-sized Stud Holes] Brick Sloped Inve...
Part #: 76959 2× Black
Plate Angled 2 x 2 with Step and Hole in Center Plate Angled 2 x ...
Part #: 79846 4× Red
Plate Angled 2 x 2 with Step and Hole in Center Plate Angled 2 x ...
Part #: 79846 4× Green
Large Figure Cover 4 x 3 x 2 with Bar, 4 Studs, Ridged Large Figure Cove...
Part #: 79896 1× Pearl Gold
Brick Special 2 x 5 with Slope, Studs on Side Brick Special 2 x...
Part #: 79897 2× Pearl Gold
Plate Round 1 x 1 with Open Stud Plate Round 1 x 1...
Part #: 85861 1× Dark Green
Plate Round 1 x 1 with Open Stud Plate Round 1 x 1...
Part #: 85861 4× Red
Brick Wedged, Sloped 4 x 4 Triple with 3 Ridges on Slope Brick Wedged, Slo...
Part #: 86148 2× Pearl Gold
Weapon Sword, Big Blade with Bar Weapon Sword, Big...
Part #: 98137 1× Flat Silver
Arm Mechanical with Clip [Thick Support] Arm Mechanical wi...
Part #: 98313 1× Black
Arm Mechanical with Clip [Thick Support] Arm Mechanical wi...
Part #: 98313 2× White
Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Plate Special 2 x...
Part #: 99206 2× Black
Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] Plate Special 2 x...
Part #: 99206 2× Light Bluish Gray
Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Tile Special 1 x ...
Part #: 99563 2× White
Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Tile Special 1 x ...
Part #: 99563 9× Pearl Titanium
Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Tile Special 1 x ...
Part #: 99563 4× Pearl Gold
Bracket 1 x 2 - 1 x 2 Inverted Bracket 1 x 2 - 1...
Part #: 99780 1× Red
An incredible parts pack for mech builders, offering a generous assortment of ball-joint sockets, plates, and pearl titanium ingots for custom creations.

🛒 Where to Buy

💎 Notable Parts

Light Bluish Gray Plate Special 1 x 2 5.9mm Centre Side Towball Socket (12x) $1.80
Dark Bluish Gray Plate Special 1 x 2 with 5.9mm Centre Side Towball (12x) $1.80
Pearl Titanium Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] (9x) $2.25
Pearl Titanium Brick Wedged, Curved 2 x 3 x 2/3 Two Studs, Wing End (5x) $1.50
Est. BrickLink Part Value
$7.35

💡 MOC Potential

🤖 Combine the ball joints and plates to build custom micro-mechs and battle droids.
🚗 Use the red and green structural pieces to engineer custom sci-fi speeders or walkers.

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Searching for YouTube reviews...

This may take a moment

📖 Building Instructions 2

Lloyd's Mech Battle EVO Instructions
BI 3102, 140+4, 71781 V29
Download PDF
Lloyd's Mech Battle EVO Instructions
BI 3102, 140+4, 71781 V39
Download PDF

Charts Inventory Statistics

68
Unique Parts
223
Official Piece Count
225
Cataloged Inventory Pieces
2
Minifigures
6
Spare Parts

LEGO counts 223 pieces. This inventory comes from a separate parts catalog and lists 234, including the 9 parts inside the minifigures; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Inventory Version: 1

Missing a piece? Use the Missing Piece Checker.