This pre-shaped block of wood serves as the platform on which you will design and build your sport coupe style Wood Derby Car. Pre-cut wood with a sleek and aerodynamic look! Characteristics include long rounded sloped hood, and a scooped rear end with spoiler look. Accurately cut axle grooves. You may add a driver figure, spoiler, seat, canopy, steering wheel, decals, paint, or any other details to personalize your entry. Follow the enclosed instructions and use your imagination to make your Wood Derby Car special. 6- 7/8 in. L x 7/8 in. H x 1.75 in. W.