PicassoTiles 70 Piece Marble Run Magnetic Tiles Race Track STEM Ages 3+ | 8 quarter-round turns, 10 long slides, 4 U-turns, 2 funnels & 2 slopes, 4 weighted balls, BPA-free, fine motor & spatial play

MARBLE RUN STEM LEARNING MADE FUN: This magnetic marble run turns each build into a hands-on lesson in gravity, motion, and cause and effect as kids design colorful routes and watch every ball race to the finish.