LEGO® The Evolution of STEM #21355

Build The Evolution of STEM instead of buying it

LEGO® The Evolution of STEM #21355 is part of The Bryck Box rental library. Members don't purchase this LEGO® set — we ship it to your door, your family builds it together, and when you're finished you send it back with the prepaid label and pick the next set from your queue. At 879 pieces, it's included with an eligible Family Builder membership.