The Evolution of STEM
Set 21355 · LEGO Ideas and CUUSOO
- Theme
- LEGO Ideas and CUUSOO
- Released
- 2025
- Pieces
- 879
- Minifigures
- 3
- Status
- Active
- Original MSRP
- $80
Current market value$63new / sealed, secondary market
Original MSRP$80at release · 2025
Total return vs MSRP-21%CAGR -21%
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The LEGO® LEGO Ideas and CUUSOO set The Evolution of STEM (21355) was released in 2025 with 879 pieces and 3 minifigures at an original price of $80. As a active set it currently trades around $63 on the secondary market — it has depreciated -21% versus its original MSRP (-21% per year).
Tracked in these indices
See the full part-out breakdown, minifig lineup and live chartOpen interactive view →