Robotime - Marble Run; Marble Parkour Replacement Parts Airplane Wings and Tail Rear Axle Aluminum Adapter for

Rear Axle Aluminum Adapter for Axial Wraith

2 speed Hi/Lo transmission

Machined to be heavy duty to better hold your geometry settings

dual air intake

qty 2 General Tire Inserts

Robotime - Marble Run; Marble Parkour Replacement Parts Airplane Wings and Tail Rear Axle Aluminum Adapter forRobotime ROKR Big Funnel Marble Run LG501 is a mechanical gears 3D wooden puzzle based on great human engineering. Its design combines the beauty of science and machines, involving so many small gadgets. Build this Rokr marble run 3D wooden puzzle set and crank the handle, watch marbles run crazy down the slopes and twisting turns. Have fun! FUNNEL RAIL: LG501 Marble Parkour is a handcrafted marble run 3D wooden puzzle set with a big funnel rail.