US$ 144.50
the crane tender was usually a home-built affair
AB or K brakes as appropriate
USED Brass
then China
UGears UTG0087 Marble Run Stepped Hoist Erie Lackawanna - EL the crane tender was usuallyUGears UTG0087 Marble Run Stepped Hoist Introducing the mechanical Marble Run Stepped Hoist, the second in a series of Ugears modular marble runs. This fun and fascinating wooden marble run features an ingenious 3 stepped alternating lift mechanism and a set of new features to hold your attention as you watch the marbles make their cyclical journey. Multiple tracks and elements are packed into a compact space in this DIY marble run. The model has a 3
US$ 144.50
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US$ 404.00
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