Knuckles & Shadow!
Gotta build 'em FAST

Assemble these iconic Sonic the Hedgehog characters in Brickheadz form. A nostalgic set with 298 pieces for gamers and collectors!

🏛 Brickheadz
Set #40672

Sonic the Hedgehog: Knuckles & Shadow

Sonic the Hedgehog: Knuckles & Shadow is a delightful double pack for fans of the speedy blue hedgehog and his rivals.

🏆 Best For: Perfect for Sonic fans of all ages and LEGO Brickheadz collectors ⏱ 2.0 hr build 🧩 298 pcs
★★★★☆ 4.0

Fans appreciate the accurate representation of Knuckles and Shadow in Brickheadz form, making it a must-have for Sonic collectors. Some find the build a bit repetitive but overall, it's considered a worthwhile purchase for its display value and recognizable characters.

📝 Our Take

Sonic the Hedgehog: Knuckles & Shadow is a delightful double pack for fans of the speedy blue hedgehog and his rivals. This Brickheadz set perfectly captures the essence of Knuckles and Shadow with their iconic features and color schemes. It's a fun and relatively quick build that results in two charming display pieces.

This set is perfect for LEGO and Sonic enthusiasts of all ages. The build is straightforward enough for younger builders, while the recognizable characters and display value will appeal to older collectors. It's a great introduction to the Brickheadz line or a welcome addition to an existing collection.

Skip this if you're strictly looking for complex building experiences or larger-scale models. This is a smaller, character-focused set. Consider LEGO Ideas Sonic the Hedgehog – Green Hill Zone (21331) for a more involved build and larger display piece.

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How does this set compare to other Brickheadz in terms of build complexity? What are some good display options for these two characters? Is this set a good value for the price? How does this set fit into the larger Sonic the Hedgehog LEGO theme?

🧱 Building Experience

🧩
298
Pieces
2.0h
Build Time
📊
Beginner
Difficulty
Build Highlights:
  • Simple and satisfying builds for both characters
  • Clever use of slopes and plates to capture character details
  • Bright colors accurately reflect Knuckles and Shadow's appearance
  • Sturdy construction for easy display

📈 Investment Analysis

↑ Trending up since release
B
Investment Grade
⏳ Appreciating
The Sonic the Hedgehog theme has proven popular, and this Brickheadz set offers two recognizable characters at an affordable price point. As a licensed set, it has potential for appreciation, especially if the Sonic franchise continues to thrive. Its relatively low piece count and price mean it's a lower-risk investment compared to larger, more expensive sets. However, the Brickheadz theme itself can be somewhat volatile in terms of long-term value, so temper expectations.

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

Compare Similar Sets

This set offers two characters for a relatively low price compared to individual Brickheadz. While larger Sonic sets like 21331 provide a more expansive building experience, this set is a great entry point or a complementary addition for collectors. It's a good alternative for those looking for a quick and affordable Sonic-themed LEGO build.

📦 Full Parts Inventory - 47 unique parts • 281 total pieces

Plate Special 1 x 2 with Clip Horizontal on Side Plate Special 1 x...
Part #: 11476 Red
Plate Special 1 x 2 with Clip Horizontal on Side Plate Special 1 x...
Part #: 11476 White
Slope Curved 2 x 1 No Studs [1/2 Bow] Slope Curved 2 x ...
Part #: 11477 Red
Slope Curved 2 x 1 No Studs [1/2 Bow] Slope Curved 2 x ...
Part #: 11477 Black
Slope 45° 2 x 1 Triple with Inside Stud Holder Slope 45° 2 x 1 T...
Part #: 15571 Red
Slope 45° 2 x 1 Triple with Inside Stud Holder Slope 45° 2 x 1 T...
Part #: 15571 Black
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 10× Red
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 Tan
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 Orange
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 Black
Plate Round 1 x 2 Half Circle with Stud (Jumper) Plate Round 1 x 2...
Part #: 1745 Bright Light Orange
Slope 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid] Slope 45° 1 x 1 x...
Part #: 22388 White
Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side Brick Special 1 x...
Part #: 22885 28× Light Bluish Gray
Plate 2 x 2 Corner Plate 2 x 2 Corner
Part #: 2420 12× Red
Slope Curved 3 x 2 No Studs Slope Curved 3 x ...
Part #: 24309 Red
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 Red
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 Black
Tile 1 x 4 with Red Triangle print Tile 1 x 4 with R...
Part #: 2431pr0204 Black
Tile Round 1 x 1 Quarter Tile Round 1 x 1 ...
Part #: 25269 Tan
Slope Curved 2 x 1 with Stud Notch Right Slope Curved 2 x ...
Part #: 29119 Red
Slope Curved 2 x 1 with Stud Notch Right Slope Curved 2 x ...
Part #: 29119 Black
Slope Curved 2 x 1 with Stud Notch Left Slope Curved 2 x ...
Part #: 29120 Red
Slope Curved 2 x 1 with Stud Notch Left Slope Curved 2 x ...
Part #: 29120 Black
Brick 2 x 2 Brick 2 x 2
Part #: 3003 Green
Brick 2 x 2 Brick 2 x 2
Part #: 3003 Bright Light Yellow
Brick 2 x 2 Brick 2 x 2
Part #: 3003 Bright Pink
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Black
Brick 1 x 1 Brick 1 x 1
Part #: 3005 Red
Brick 1 x 1 Brick 1 x 1
Part #: 3005 Black
Brick 1 x 4 Brick 1 x 4
Part #: 3010 Red
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Red
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Black
Plate 2 x 3 Plate 2 x 3
Part #: 3021 Light Bluish Gray
Plate 2 x 3 Plate 2 x 3
Part #: 3021 Red
Plate 2 x 2 Plate 2 x 2
Part #: 3022 Black
Plate 2 x 2 Plate 2 x 2
Part #: 3022 Red
Plate 1 x 2 Plate 1 x 2
Part #: 3023 14× Red
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Bright Green
Plate 1 x 2 Plate 1 x 2
Part #: 3023 White
Plate 1 x 2 Plate 1 x 2
Part #: 3023 12× Black
Plate 1 x 1 Plate 1 x 1
Part #: 3024 White
Plate 1 x 1 Plate 1 x 1
Part #: 3024 Red
Plate 4 x 4 Plate 4 x 4
Part #: 3031 Black
Plate 4 x 4 Plate 4 x 4
Part #: 3031 Red
Slope 45° 2 x 2 Slope 45° 2 x 2
Part #: 3039 Red
Slope 45° 2 x 2 Slope 45° 2 x 2
Part #: 3039 Black
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Black
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Red
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b White
Tile 1 x 1 with Groove Tile 1 x 1 with G...
Part #: 3070b 10× Black
Plate Special 2 x 2 with Only 2 studs Plate Special 2 x...
Part #: 33909 White
Tile 45° Cut 2 x 2 (Triangle) Tile 45° Cut 2 x ...
Part #: 35787 Black
Tile 45° Cut 2 x 2 (Triangle) Tile 45° Cut 2 x ...
Part #: 35787 White
Tile 45° Cut 2 x 2 (Triangle) Tile 45° Cut 2 x ...
Part #: 35787 Red
Plate 1 x 3 Plate 1 x 3
Part #: 3623 Black
Slope Inverted 45° 2 x 1 Slope Inverted 45...
Part #: 3665 Black
Bracket 1 x 1 - 1 x 1 Inverted Bracket 1 x 1 - 1...
Part #: 36840 Black
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Red
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 Orange
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 Dark Turquoise
Plate 6 x 6 Plate 6 x 6
Part #: 3958 Black
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a White
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a Yellow
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a Green
Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Plate Special 1 x...
Part #: 41740 Black
Plate Special 1 x 4 with 2 Studs with Groove [New Underside] Plate Special 1 x...
Part #: 41740 White
Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Half Hollow Anti-stud] - Updated Version Plate Special 2 x...
Part #: 4304 Yellow
Bracket 1 x 2 - 2 x 2 Bracket 1 x 2 - 2...
Part #: 44728 White
Slope Curved 3 x 1 No Studs Slope Curved 3 x ...
Part #: 50950 Black
Slope Curved 3 x 1 No Studs Slope Curved 3 x ...
Part #: 50950 Red
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Black
Plate Special 1 x 2 with Handle on End [Closed Ends] Plate Special 1 x...
Part #: 60478 Red
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Black
Slope 30° 1 x 2 x 2/3 Slope 30° 1 x 2 x...
Part #: 85984 Red
Tile 2 x 4 with Groove Tile 2 x 4 with G...
Part #: 87079 Black
Slope Curved 4 x 2 No Studs Slope Curved 4 x ...
Part #: 93606 Red
Tile Round 1 x 1 with Brickheadz Eye, White Squares, Black Circle print Tile Round 1 x 1 ...
Part #: 98138pr0338 Dark Purple
Tile Round 1 x 1 with Brickheadz Eye, White Squares, Black Circle print Tile Round 1 x 1 ...
Part #: 98138pr0338 Red
The set includes a good selection of red and black plates and slopes, useful for general building and MOCs. The light bluish gray brick with studs on the side is particularly useful for SNOT (Studs Not On Top) techniques.

💎 Notable Parts

Light Bluish Gray Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side (28x) $4.20
Red Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) (10x) $1.50
Black Slope Curved 2 x 1 with Stud Notch Right (5x) $0.50
Black Slope Curved 2 x 1 with Stud Notch Left (5x) $0.50
Est. BrickLink Part Value
$6.70

💡 MOC Potential

🤖 Custom Sonic robot characters
🌳 Small diorama bases for each character
🚗 Rebuild parts into a small Sonic-themed vehicle

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 3 videos
3.7 /5
Positive
33% positive
BlockTalk AI

LEGO YouTubers show general positivity towards the Knuckles & Shadow BrickHeadz set (40672), with an average sentiment score of 3.7/5. The set is considered easy to assemble and is recommended for Sonic the Hedgehog fans.

Community Sentiment

Based on 3 YouTube reviews

Reddit

Not enough Reddit data

YouTube

3.7 /5
Positive
33% positive
1
Positive
2
Mixed
0
Critical
Common Feedback
+ Recommend
BlockTalk AI Analysis

LEGO YouTubers show general positivity towards the Knuckles & Shadow BrickHeadz set (40672), with an average sentiment score of 3.7/5. The set is considered easy to assemble and is recommended for Sonic the Hedgehog fans.

What the Community Says

1 YouTube reviews
BlockTalk AI Summary

Neto Lopez enjoyed the Shadow and Knuckles figures, highlighting their ease of assembly. The set is recommended for Sonic fans.

Reddit Reviews

No Reddit reviews found

Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

Charts Inventory Statistics

47
Unique Parts
281
Total Pieces
0
Minifigures
Inventory Version: 1