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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Assembled size: 13
This model kit is definitely not for beginners
The authors build on the concepts found in Book 1 and move beyond that
you can ONLY add or subtract a 1
Marble Run Spiral Hoist - uGears Expansion Assembled size: 13The Marble Run Spiral Hoist is the fourth model in the Ugears collection of fascinating DIY wooden mechanical marble runs. The hoist has two types of rails to speed the ascent: the main spiral rails and vertical rails. Turn the crank to lift the colored glass marbles upwards (one marble rises per nine revolutions of the winding crank) to the three marble storage up top. From there the marbles begin their downhill runs through exciting elements: a high
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