Tamiya High Speed Gear Box Set TAM72002

High Efficiency High Speed Gear Box Assembly Kit from the Technicraft Series by Tamiya. Versatile and easy to construct gear box broadens the world of handicrafts. Allows 2 gear ratios, 11.6:1 and 18:1 to be selected. Polyacetal resin gears permit efficient power transmission with less mechanical noise than metal gears. Accepts 140 or 260 type motors. Included motor operates on 3-4.5V. Pictorial instruction sheet included. Kit includes One Technicraft High Efficiency High Speed Gear Box Assembly Kit.. Kit requires assembly, Phillips Screwdriver, Side Cutter, Pliers Hobby Knife. « less