Description: Material: plastic + wood Main accessories: 1.4pcs wheels 42x2 mm/1.65x0.08 inch 2.2pcs axle 95x2 mm/3.74x0.08 inch 3.1pcs axle 30x2 mm/1.18x0.08 inch 4.1pcs Inside diameter bearing 2 mm/0.08 inch 5.1pcs axle sleeve 6.1pcs C282A Crown of tooth and 102A shaft gear 7.2pcs rubber band 8.2pcs wood strips 100x10x10 mm/3.94x0.40x0.40 inch 9.2pcs wood strips 50x10x10 mm/1.97x0.40x0.40 inch 10.2pcs small angle iron 11.4pcs gasket 2 mm/0.08 inch 12.5pcs screw M2X8 13.1pcs axle 50x1 mm/1.97x0.04 inch Package Includes: DIY Rubber band car kit Note: Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above