ChiMiao Specification: Colour:brown Material:metal Package Contents: 4 x 30T Differential Gear 8 x 16T Differential 4 x 12T Driving Gear 16 x 10T Differential Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.