Formula One Challenger Road Slot Car Racing Set is a fantastic starter set for Racing cars round this figure of eight track. Race against your friends and see who reaches the chequered flag first in these superb Formula One cars. Age: 5 Years plus. Formula One Racing Set Specifications: Racing Action: 232cm / 7'7 inch. Layout Size: 96.5 x 48.3 cm / 3 inch 2 inch x 1 feet 7 inch. Battery Requirements: 2 x Type C (Not included).