Build & Race Your Track – Design with curves, launch ramps, and vertical loops! See whose car goes farthest!(Includes a printed step-by-step assembly manual for easy building!) Exciting 360° Loop Track – 6 short rounded tracks + 2 long high-difficulty rounded tracks ✔ 56 modular track pieces. ✔Race course extends up to 34ft in length. ✔4 Pull-back cars. ✔DIY STEM Building Kit Parent-Child Interaction: Assemble the boys race track sets and play the race track toy with your kids to enhace family relationship and give kids a happy childhhood. Race track for toddlers 4-6 is easy to assemble and can develop kids' hands-on ability Gifts for Kids – Race tracks for kids ages 1-3 can be used as gifts for birthdays, Christmas, New Year's Day, Children's Day and other special occasions. The race track for toddlers 3-5 is perfect as a party game to enjoy the excitement of car playset games A