Blanks can now be purchased with pre-drilled axle and air input holes. Axles holes will fit plastic straw bushings used with traditional 1/8" steel axles. These blanks are perfect for anyone that does not have the equipment to drill perpendicular axle holes on the dragster's sides. Kit includes: 12" L wood blank with pre-drilled axle holes and CO2 input holes. Also includes wheels, axles, straw, screweyes and washers. CO2 Cartridge sold seperately.