- 75% MORE PIECES THAN OTHER SIMILAR SETS, UP TO 6 PLAYERS CAN PLAY AT THE SAME TIME - We give you MORE blocks, MORE wrenches, MORE movable wheels, MORE plates, and MORE nuts & bolts than any other set. Because we're so confident you'll love our STEM Construction Engineering Building Blocks, it's backed by our NO-HASSLE SATISFACTION GUARANTEE. If you don't love it for any reason, you can return it for a full refund.
& Free shipping
Last update was on: April 16, 2021 12:41 pm