LEGO 45621
Science Kit Year 4-6

LEGO 45621 Science Kit Year 4-6 box image
Set number
45621
Theme
Educational and Dacta
Pieces
336 pcs
Year
2025
Used & parts
See price history & best time to buy

Prices may vary — please check each store. Links may include affiliate (advertising) links.

How many parts to go?
Can you build this from what you own?
Just pick the sets you own — see this set's completion rate and missing parts instantly.
① Tap the sets you own (pick a few)
② Or add by number (optional)

“Science Kit Year 4-6” is LEGO® “Educational and Dacta” theme set number 45621. Released in 2025, it has 336 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.

Part breakdown 87 types

Color split (most first)
White×71
Bright Light Orange×41
Dark Turquoise×41
Coral×29
Dark Blue×26
Tan×18
Medium Nougat×14
Black×12
Bright Green×12
Trans-Yellow×12
Light Bluish Gray×10
Trans-Light Blue×8
Main parts (most used first)
3005pr0003 Brick 1 x 1 with Simple Black Eye with White Pupil Print
White · ×10
59900 Cone 1 x 1 [Top Groove]
Trans-Yellow · ×10
3004 Brick 1 x 2
Dark Blue · ×8
85080 Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]
White · ×8
11610 Cone 1 x 1 Inverted with Bar at Bottom (Ice Cream Cone)
Tan · ×6
15070 Plate Special 1 x 1 with Vertical Tooth
White · ×6
24866 Plant, Flower, Plate Round 1 x 1 with 5 Petals
Coral · ×6
24866 Plant, Flower, Plate Round 1 x 1 with 5 Petals
White · ×6
3700 Technic Brick 1 x 2 [1 Pin Hole]
White · ×6
53119 Plate Round 1 x 1 Swirled Top / Poo
Reddish Brown · ×6
59900 Cone 1 x 1 [Top Groove]
White · ×6
59900 Cone 1 x 1 [Top Groove]
Dark Turquoise · ×6
3069b Tile 1 x 2 with Groove
Dark Blue · ×5
3069b Tile 1 x 2 with Groove
Bright Light Orange · ×5
109373 Plate Special 2 x 2 with Rubber Foot
Black · ×4
11211 Brick Special 1 x 2 with 2 Studs on 1 Side
Medium Nougat · ×4
15279 Plant, Grass Stem with Bar Hole [3.2mm]
Bright Green · ×4
18653 Brick Arch 1 x 3 x 2 Inverted [Inside Bow]
Bright Light Orange · ×4
18674 Plate Special Round 2 x 2 with Center Stud (Jumper Plate)
Dark Blue · ×4
2456 Brick 2 x 6
Tan · ×4
3001 Brick 2 x 4
Dark Blue · ×4
3001 Brick 2 x 4
Bright Light Orange · ×4
3001 Brick 2 x 4
White · ×4
3003 Brick 2 x 2
Dark Turquoise · ×4

More “Educational and Dacta” theme sets

Re:GO is an unofficial service and is not affiliated with the LEGO Group. LEGO® is a trademark of the LEGO Group. Data is based on Rebrickable and others.