Trainmech is a mechanical, motorized wooden kit that is an ideal project to teach future engineers how motors, gears, and pulleys create motion. This kit is supplied with pre-punched boards, gears, shafts, switch, motor, battery holder, and all necessary parts. Includes easy-to-follow instructions. Requires 2 AA batteries, a screwdriver, and long nose pliers. Dimensions: 10" long x 3 1/2" high |