Tamiya's Mechanical Dog Robot Kit

This is the Mechanical Dog Assembly Kit from Tamiya's RoboCraft Series. For Ages 10 and Up. FEATURES: This robot dog walks by transferring motor revolution to reciprocat- ing motion via crank and linkage rod. By changing configuration of the gearbox and crank holes, eight types of running speeds can be selected. Leg and body parts are transparent yellow plastic. Coil spring tail wags when the model walks. Gripping parts at the end of each leg to change position according to speed for smooth movement. Simple assembly with screws and snap-lock parts. Includes gearbox and motor. A small screwdriver and hex wrench are included. Pictorial assembly instructions. INCLUDES: One Mechanical Dog Assembly Kit. REQUIRES: Assembly Hobby Knife One "AA" Cell Battery SPECS: Length: 6.5" (16.5cm)