Marble Run - Stepped Hoist Model Kit WD04-03 Rather than working solely by

Rather than working solely by hand or machine

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

Overall Length: 3-1/4"

and small tools

Length (from left to right): 13-7/8" (352 mm)

Marble Run - Stepped Hoist Model Kit WD04-03 Rather than working solely byMarble 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