Science Kit Year 4-6

Notable parts

• 9 parts appear in only a few other sets: Brick 1 x 1 with Simple Black Eye with White Pupil Print (Dark Turquoise) ×4 — also in 45654 Replacement Pack for Elementary School (all Educational and Dacta); Activity Card 11 for Science Kits ([No Color/Any Color]) — also in 45657 Connection Cards (8 pack) (all Educational and Dacta); Activity Card 16 for Science Kits ([No Color/Any Color]) — also in 45657 Connection Cards (8 pack) (all Educational and Dacta); Brick Curved 6 x 1 (Dark Turquoise) ×4 — also in 45622 Science Kit Year 7-9, 45655 Replacement Pack for Middle School (all Educational and Dacta); Brick Special 2 x 2 with Photo Clip (Bright Light Orange) ×2 — also in 45620 Science Kit Year 1-3, 45622 Science Kit Year 7-9 (all Educational and Dacta); Wheel 43 x 14 with 4 Spokes, Axle Hole, and Black Integral Tire (Coral) ×2 — also in 45620 Science Kit Year 1-3, 45622 Science Kit Year 7-9 (all Educational and Dacta); Plate Round Corners 8 x 16 x 2/3 Circle with Reduced Knobs (Dark Blue) — also in 45620 Science Kit Year 1-3, 45622 Science Kit Year 7-9 (all Educational and Dacta); Brick 2 x 8 (Dark Blue) ×4 — also in 4762 Rescue from the Merpeople, 45620 Science Kit Year 1-3, 75638 Battle at Arlong Park; Control Unit / Remote Control, Science (White) — also in 45622 Science Kit Year 7-9, 45652 Controller, 45522 Computer Science & AI Kit Year 7-9 (all Educational and Dacta).
• 6 parts are otherwise only found in Educational and Dacta sets: Plate Special 2 x 2 with Rubber Foot (Black) ×4; Wheel Smooth 24 x 14mm with Pin Hole (Black) ×4; Plate Round Corners 8 x 16 x 2/3 Circle with Reduced Knobs (Dark Turquoise) ×2; Motor 10 x 6 x 3, Science (White); Torso, Bright Light Orange Arms, Bright Light Orange Hands [Plain] (Bright Light Orange); and 1 more.
• 9 moulds first came out in 2025, including in this set: Plate Special 2 x 2 with Rubber Foot ×4; Wheel Smooth 24 x 14mm with Pin Hole ×4; Plate Round Corners 8 x 16 x 2/3 Circle with Reduced Knobs ×3; Brick Special 2 x 2 with Photo Clip ×2; Activity Card 11 for Science Kits; and 4 more.
• 5 existing moulds first came out in their colour in 2025, including in this set: Cone 1 x 1 [Top Groove] (Dark Turquoise) ×6; Brick 2 x 2 x 3 (Medium Nougat) ×4; Brick Curved 1 x 3 x 2 (Coral) ×4; Brick Curved 6 x 1 (Dark Turquoise) ×4; Torso, Bright Light Orange Arms, Bright Light Orange Hands [Plain] (Bright Light Orange).

Calculated from Rebrickable’s public set inventories, excluding sticker sheets and spare parts.