ROELG501 Marble Run; Marble Parkour Wooden Puzzle Carbon Parts These are the optional Aluminum

These are the optional Aluminum Turnbuckles

The model runs on the aerodynamically efficient midship MA Chassis

This machine is the first model in the REV Series line-up that comes equipped with large-diameter wheels and arched tires as standard equipment

- Channel lock secure motor mount with V-groove screw lock

ROELG501 Marble Run; Marble Parkour Wooden Puzzle Carbon Parts These are the optional AluminumROELG501 Marble Run; Marble Parkour Robotime 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