Marble Run - Stepped Hoist Model Kit WD04-03 Disposable

Disposable

Overall Length: 3-1/4"

Maneuver terrain easily with 10" rear wheels and 8" front wheels

Designed for fast

sold separately) or any standard 4" or 4-1/2" grinder

Marble Run - Stepped Hoist Model Kit WD04-03 DisposableMarble Runs are fascinating marvels of art and engineering that will captivate your attention. The only thing better than watching one is building it yourself. The Stepped Hoist is the second in a series of UGears modular Marble Run kits and is both a beautiful kinetic sculpture and an intricate toy that teaches as it entertains. It is the second in the UGears collection of marble runs and features an ingenious 3 stepped alternating lift mechanism