Specifications: Condition: Brand New motor type: 5*7/K10/N20/N30/RF-130CH/020/130/140/SRF300/310/180/M20(AM) Motors gear packs, contain 12 kinds of motors, an shaft gear. The motor combination is a necessary material for making the model, which contains various shapes of motor, which is suitable for different models. Package Included: 12 x Motors Notes: Other accessories demo in the picture is not included. Please allow slight dimension difference due to different manual measurement. Due to the light and screen setting difference, the item's color may be slightly different from the pictures.