Owing to their lightweight body, the cars are easy to play with. Your kids can carry them along to play on the go. The set is the ideal gifting option for kids aged 3 and above. You can also gift it to car enthusiasts, toy car collectors, and racing fans of all ages. The speed-based cars enhance interaction, social, and motor recognition skills. Moreover, they enhance hand-eye coordination in kids. High-quality diecast metal adds to the cars' durability and gives them a touch of coolness. The collectable cars feature wheels made of good-quality materials for long-time usage. PULL BACK AND GO: Friction powered(no battery needed). Just pull it back and then the vehicle will automatically speed away.