NKOK Sonic & Tails RC Slot Car Set Race Set Vehicle, Black, Cars Rase on Figure-8 Track, Features a Lap Counter, Perfect Item for Kids, Ages 5 and up Sonic the Hedgehog racing set. The set includes a figure-eight track, two cars (Sonic and Tails), and two controllers. The cars have lights and the set includes a lap counter. The recommended age is 5 and up.