Computer Science & AI Kit 3-5
45521-1
Released: 2026 · Parts: 321 · Theme: Educational and Dacta
Computer Science & AI Kit 3-5 (45521-1) is a Educational and Dacta LEGO set released in 2026 with 321 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 4 minifigures and 85 unique part types.
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Building instructions
Official LEGO instructions — read on BrickID
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Minifigures in Computer Science & AI Kit 3-5
Parts in this set
85 parts · page 1 of 2 · updating…
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Activity Card ? for Science Kits119190 · ×1 · [No Color/Any Color] -
Axle Hose, Soft 7L32580 · ×4 · Black -
Bracket 1 x 2 - 2 x 244728 · ×6 · Dark Purple -
Bracket 1 x 2 - 2 x 2 Inverted99207 · ×4 · Dark Turquoise -
Brick 1 x 2 x 5 without Side Supports46212 · ×4 · Trans-Purple -
Brick 2 x 23003 · ×4 · Coral -
Brick 2 x 23003 · ×4 · White -
Brick 2 x 23003 · ×4 · Dark Purple -
Brick 2 x 23003 · ×4 · Dark Turquoise -
Brick 2 x 43001 · ×4 · Dark Turquoise -
Brick 2 x 43001 · ×4 · Dark Purple -
Brick 2 x 43001 · ×2 · Blue -
Brick 2 x 43001 · ×2 · Red -
Brick 2 x 43001 · ×2 · Bright Light Orange -
Brick 2 x 43001 · ×2 · Green -
Brick 2 x 43001 · ×4 · Medium Lavender -
Brick 2 x 62456 · ×4 · Dark Purple -
Brick 2 x 83007 · ×4 · White -
Brick and Axle Separator v2.096874 · ×1 · Dark Turquoise -
Brick Curved 6 x 142022 · ×4 · Black -
![Brick Round 2 x 2 D. Tube with 45° Elbow and Axle Holes (Crossholes) at Each End [LONG]](https://cdn.rebrickable.com/media/parts/elements/6609651.jpg)
Brick Round 2 x 2 D. Tube with 45° Elbow and Axle Holes (Crossholes) at Each End [LONG]5489 · ×4 · Trans-Purple -
Brick Round 2 x 2 with Axle Hole3941 · ×4 · Trans-Clear -
Brick Special 1 x 2 with Pin - Bottom Stud Holder44865 · ×4 · White -
Brick Special 2 x 2 with Pin and Axle Hole6232 · ×4 · Black -
Brick Special 2 x 4 with 3 Axle Holes39789 · ×4 · Black -
Brick Special 2 x 4, with 2 x 2 Brick with Top Pin and 1 x 2 Side Plates30592 · ×2 · Light Bluish Gray -
![Cone 1 x 1 [Top Groove]](https://cdn.rebrickable.com/media/parts/elements/4567340.jpg)
Cone 1 x 1 [Top Groove]59900 · ×8 · Trans-Purple -
Gear Box 4 x 4 x 2 for Gear Track7332 · ×2 · Trans-Clear -
Gear Track Curve 90° 17 1/2 x 17 1/27334 · ×2 · White -
Gear Track Straight 3 x 167333 · ×2 · Dark Purple -
Motor 10 x 6 x 3, Science118091 · ×1 · White -
Plant, Leaf 2 x 6 x 1 with 2 Studs3565 · ×4 · Trans-Clear -
Plate 1 x 4 x 2/3 with 1 x 2 Bottom Cutout7769 · ×4 · Coral -
Plate 2 x 122445 · ×4 · White -
Plate 2 x 43020 · ×4 · Coral -
Plate 2 x 63795 · ×4 · Dark Turquoise -
Plate 2 x 83034 · ×4 · Dark Purple -
![Plate Round 2 x 2 with Rounded Bottom [Boat Stud]](https://cdn.rebrickable.com/media/parts/elements/4278273.jpg)
Plate Round 2 x 2 with Rounded Bottom [Boat Stud]2654 · ×6 · Light Bluish Gray -
Plate Round 4 x 4 with Pin Hole60474 · ×4 · White -
Plate Round Corner 3 x 3 with 2 x 2 Round Cutout68568 · ×4 · Dark Turquoise -
Plate Round Corner 3 x 3 with 2 x 2 Round Cutout68568 · ×4 · White -
Plate Round Corners 8 x 16 x 2/3 Circle with Reduced Knobs5251 · ×1 · Dark Turquoise -
Plate Round Corners 8 x 8 x 2/3 Circle with Reduced Knobs66790 · ×3 · Dark Purple -
![Plate Special 1 x 2 with Three Teeth [Tri-Tooth]](https://cdn.rebrickable.com/media/parts/elements/6046381.jpg)
Plate Special 1 x 2 with Three Teeth [Tri-Tooth]15208 · ×4 · White -
![Plate Special 1 x 4 with 2 Studs with Groove [New Underside]](https://cdn.rebrickable.com/media/parts/elements/6253191.jpg)
Plate Special 1 x 4 with 2 Studs with Groove [New Underside]41740 · ×4 · Dark Purple -
Plate Special 2 x 2 with Rubber Foot109373 · ×4 · Black -
Plate Special 2 x 2 x 2/3 with Axle Hole and Grill on Sides (Haybale)71752 · ×6 · Light Bluish Gray -
Plate Special 2 x 3 with Cloud Edge5518 · ×4 · Dark Turquoise