This is a plastic model that needs assembly. Tamiya now presents the Mechanical Tiger as its next addition to the Robocraft Series. Power from the rotating motor is transferred to the legs via crank plates to make the tiger walk. Tiger s body parts have been molded with yellow semi-transparent plastic, giving the tiger a futuristic look. Assembly is very simple with use of screws and snap-lock parts. Power from the rotating motor is transferred to the legs via crank plates to make the tiger walk. 2 possible gear ratios coupled with 4 different strides let you choose 8 different speeds. A reverse switch also allows backward movement. A see-through switch with yellow transparent parts adds a cool, futuristic look. Moreover, this feature also allows you to see internal mechanisms. Tiger s body parts have been molded with yellow semi-transparent plastic. Stickers to reproduce tiger s stripes and a humorous cartoon face are included. Requires one AAA battery. Model length 6.1 inches. Basic Specifications Total length 155mm Total weight 105g (w/ out batteries) Body material ABS resin Gearbox, motor and reverse switch included. 2 possible gear ratios coupled with 4 different strides let you choose 8 different speeds. A screwdriver for the assembly is provided. Requires one R04/AAA/UM4 battery (sold separately). Continuous running time with Alkaline battery, 2 hours.