Arctic Animals Science Kit (45203-1) is a Learning at Home LEGO set released in 2026 with 1,134 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 4 minifigures and 376 unique part types.
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Building instructions
4 official booklets — read on BrickID
Book 1 of 4 · US Letter Book 2 of 4 · US Letter Book 3 of 4 · US Letter Book 4 of 4 · US Letter
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Minifigures in Arctic Animals Science Kit
Parts in this set
376 parts · page 1 of 8 · updating…
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Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small53451 · ×2 · White -
Arm Mechanical with Clip [Thick Support]98313 · ×4 · Dark Tan -
Bar 2L with Stop in Center78258 · ×2 · Tan -
Bar 3L87994 · ×1 · Tan -
Bar 3L with Handle, Stop Ring and Side Stops (Minifig Ski Pole)90540 · ×2 · White -
Box / Crate with Handholds 3 x 4 x 1 2/330150 · ×1 · Light Bluish Gray -
Bracket 1 x 1 - 1 x 136841 · ×2 · White -
Bracket 1 x 1 - 1 x 136841 · ×2 · Reddish Brown -
Bracket 1 x 1 - 1 x 1 Inverted36840 · ×1 · Tan -
Bracket 1 x 1 - 1 x 1 Inverted36840 · ×2 · Medium Nougat -
Bracket 1 x 1 - 1 x 279389 · ×4 · Tan -
Bracket 1 x 1 - 1 x 279389 · ×1 · White -
Bracket 1 x 2 - 1 x 299781 · ×1 · Reddish Brown -
Bracket 1 x 2 - 1 x 299781 · ×14 · Dark Bluish Gray -
Bracket 1 x 2 - 1 x 299781 · ×3 · White -
Bracket 1 x 2 - 2 x 244728 · ×3 · White -
Bracket 1 x 2 - 2 x 244728 · ×1 · Light Bluish Gray -
Bracket 1 x 2 - 2 x 2 Inverted99207 · ×2 · White -
Bracket 1 x 2 - 2 x 2 Inverted99207 · ×1 · Dark Turquoise -
Bracket 2 x 2 with 1 x 2 Vertical Studs41682 · ×4 · White -
Brick 1 x 13005 · ×7 · Trans-Light Blue -
Brick 1 x 13005 · ×2 · White -
Brick 1 x 13005 · ×2 · Dark Blue -
Brick 1 x 13005 · ×4 · Tan -
Brick 1 x 126112 · ×2 · White -
Brick 1 x 23004 · ×2 · Medium Nougat -
Brick 1 x 23004 · ×5 · Dark Blue -
Brick 1 x 23004 · ×1 · White -
Brick 1 x 23004 · ×6 · Coral -
Brick 1 x 2 without Bottom Tube3065 · ×7 · Trans-Light Blue -
Brick 1 x 2 x 5 with Hollow Studs2454b · ×1 · White -
Brick 1 x 33622 · ×7 · White -
Brick 1 x 33622 · ×1 · Dark Blue -
Brick 1 x 43010 · ×2 · Dark Turquoise -
Brick 1 x 43010 · ×4 · Dark Blue -
Brick 1 x 43010 · ×2 · Dark Bluish Gray -
Brick 1 x 43010 · ×2 · Coral -
Brick 1 x 43010 · ×1 · Medium Nougat -
Brick 1 x 63009 · ×5 · Tan -
Brick 1 x 63009 · ×3 · Dark Blue -
Brick 1 x 63009 · ×7 · White -
Brick 1 x 83008 · ×1 · White -
Brick 2 x 103006 · ×2 · Tan -
Brick 2 x 23003 · ×2 · Medium Nougat -
Brick 2 x 23003 · ×4 · White -
Brick 2 x 33002 · ×4 · Yellow -
Brick 2 x 43001 · ×1 · Yellow -
Brick 2 x 43001 · ×11 · White