LEGO 45621 Science Kit Year 4-6

Released 2025 · 336 pieces · 6 minifigures · Educational and Dacta

LEGO Science Kit Year 4-6 (45621) was released in 2025 as part of the Educational and Dacta theme, with 336 pieces and 6 minifigures. By piece count it sits in the top 12% of Educational and Dacta sets. It was one of 14 Educational and Dacta sets released that year (see them all). Released in 2025. LEGO sets typically stay on shelves for about two years, so this one is likely still in production.

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• Estimated value: $40 (modelled from piece count, era, and age, not live market data)

Availability: Currently available (probably) (inferred from its release year, not an official retirement date)

Full details, the price breakdown, and the minifigures included are below. Add it to your collection to track what it's worth.

• 12¢ per piece, cheaper per piece than most Educational and Dacta sets

Minifigures: Monochrome Bright Green, Monochrome Red, 28621 Head, Monochrome Blue, Monochrome Bright Light Orange, 28621 Head, White Torso, Dark Blue Legs, Neutral Face

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Set data from the Rebrickable database, refreshed daily. Catalog data as of 2026-09-01. Values are this site's estimates, see how they're calculated.

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