Maze Roll-Ball Building Blocks creative 1 x bridge

1 x bridge

child-safe barrier that gives curious toddlers the freedom to explore without the bumps and bruises

Model Number: 817JY

and child-friendly

children physically experience algebraic concepts — the binomial and trinomial theorem — in a deeply satisfying

Maze Roll-Ball Building Blocks creative 1 x bridgeWatch in amazement as marbles fly through tunnels, spiral down ramps, and drop through funnels in the spectacular Maze Roll Ball Building Blocks! Children design and build their own marble run using compatible large size bricks, then launch their marbles and watch the magic happen over and over again. Age Range: 3 years and up Available Sets: 52 pieces, 156 pieces, or 208 pieces Material: Durable ABS plastic compatible with major brick brands Skills