Marble Genius Marble Run Due 5/21/2024

85 complete see-through Marble Run pieces in 19 distinct styles allow you to see all the action. Solid plastic pieces that stick together and are easy for kids to play with
8 solid bases including 3 large bases to ensure maximum stability (large base designs vary slightly per included pieces image)
Compatible with Marble Genius Marble Run Starter Set (60 pc.), Extreme Set (125 pc.), Booster Set (20 pc.), & 9 Accessory Sets. Standard Toy Size Marbles (5/8 inch or smaller) work with this set (65 Glass Marbles Included)