The Go Series - The Go Series is a world class starter system for kids 8 and up. All sets include "Turbo Speed" controllers for added racing boost. There is an extensive variety of accessories for thrilling action. The track system has an "Easy to Assemble" bolt system. The street curves have red and white printed shoulders. All cars are fitted with double contact brushes. The cars are high-quality original detailed and tampo printed. They are 1:43 scale.