Z-Glas Wheels are used for all official Soap Box Derby local and rally races. These wheels are used in all three divisions, Stock, Super Stock, and Masters. The set consists of four racing wheels
These are a great item to have while assembling your racer and preparing if for race time. These are used in Stock, Super Stock, and Masters assembling. They consist of four plastic molded wheels.
These wheels are for set-up and storage only. They cannot be used for racing
These semi-pneumatic tires with spoked ball bearing wheels are used on the Adult/High School Engineering Design Challenge cars. They can also be used on Super Kids cars. NOTE: THESE WHEELS CANNOT BE ON STOCK, SUPER STOCK, OR MASTERS CARS IN OFFICIALLY SANCTIONED SOAP BOX DERBY RACES. The set consists of four racing wheels.