Build your own motorized train locomotive with running wheels. Pulley drive operation. The unassembled 2-in-1 gearbox provides you with a motor, 2 sets of gears, metal shaft and gearbox. Using the different gear sets will give you different speeds. Supplied with pre-punched board, pulleys, shafts, switch, motor, battery holder and all necessary parts. Easy to follow instructions. A non-soldering kit.
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