LEGO® The Evolution of STEM 21355

LEGO Ideas (CUUSOO)2025879 piecesAvailable at LEGO

LEGO retail price

$79.99

BrickLinkUsed listings, shipping to the USSee listings ›

Prices updated Oct 11, 2026, 23:31 UTC.

New · sold avg, 6 months$46.873 sold

Used · sold avg, 6 months—Too few sales

Price history

NewUsedLEGO retail

Monthly average of real sales, in USD at today's exchange rate.

What is LEGO The Evolution of STEM 21355 worth?

A new, sealed The Evolution of STEM (21355) sold for $46.87 on average over the last six months, across 3 sales. LEGO still sells it for $79.99 in the US, which makes the retail price its value new.

Set facts

Set number: 21355
Pieces: 879
Released: 2025
Theme: LEGO Ideas (CUUSOO)
Price per piece: $0.09
Status: On sale at LEGO

Questions

Is LEGO 21355 The Evolution of STEM retired?

No. LEGO still sells The Evolution of STEM in the US for $79.99, so a new, sealed set is worth its retail price. Once LEGO retires it, the market price takes over.

How are these prices calculated?

Values are quantity-weighted averages of real sales of the set over the last six months, updated every night. LEGO retail prices come from Brickset. Other currencies are converted at the European Central Bank's daily rate.

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