Marble Machine #2
Marble Machine #2 is motorized and features dual tracks with a track switch and a ball accumulator. The lifting mechanism is the wheel type.
Everything you need to assemble the kit is included except for glue and batteries (2xAA).
Made from precision laser cut MDF and plywood. Carbon fibre uprights with silicone spacers. 7mm steel balls are included with the kit.
The lifter wheel is pre-assembled and has the pockets for the balls drilled to the right depth and angle. Motor, switch and battery box are pre-soldered.
Full assembly instructions in PDF format can be downloaded from here: Marble Machine #2 Instructions