Marble Genius Spinning Wheels Add Review

5 translucent wheel pieces included increase the fun and the visual impact of your marble run when wheels are spinning everywhere. 2 Large Chute's that are 4+ inches tall and greatly enhance the excitement of your marble run. Standard toy size marbles (5/8 inch or smaller) work with this set (no marbles included with this set). Compatible with Marbulous Marble Run Toys including our Marble Genius Marble Run Starter Set (60 pc.), Super Set (85 pc.), Extreme Set (125 pc.), & 8 Accessory Sets.