Featured Racing Tracks: Our slot car race track sets have more featured tracks, including simple straight tracks curves tracks, U-shaped slope tracks and exciting 360° circular staggered tracks, and automatic lap counting function also bring the coolest racing experience to the racers. At the same time, our kids racing track toy has two power modes, electric or 6xAA battery(not included), so that your kids can enjoy the fun of racing at outdoor party. Fond Memories of Childhood: Our race car track for boys age 4-7 8-12 is car toy for two racers, you can compete with your child, which can remind you of the joy of your childhood when slot cars was popular. To make the racing game more realistic, we added LED flash bridge and impact pendulum on the racetrack, a great alternative to video games. In addition, we also prepare extra brushes on the bottom of the car for you, which you can replace at any time.