[Safe Kids Friendly Material] This cars track toy is made of high-quality ABS material which is sturdy and non-toxic. All edges are polished smooth without burr. And the components are fixed firmly not easy to fall off. No battery needed. Also with the strong and durable material we can use it for a long time. [Stable Construction and Easy to Operate] This car track adventure toy is designed with a rational and stable mechanical structure. No battery needed. This car track adventure toy adpots mechanical linkage and gravity gliding which is easy for kids to operate and have great fun during the car track adventure. [Perfect Preschool Gift] This Car rescue adventure toys stimulates children's logic thinking which is suitable for children preschool playing and learning. It is a perfect preschool gift for children on their birthdays, leisure time, holidays, Christmas or other special days. [Early Learning Development Benefit] This car track adventure toy requires kids to make by themselves, then guide they toy car through obstacles and pass challenges. Both develop kid's manual skills, logical thinking and hand-eye coordination. Also, various colors enable kids to recognize more colors. [Cooperative Ability and Parent-Child Intimacy] Kids can play this car track adventure toy with their friends or parents. During the game, it can improve kids' cooperation with partners. And, increase the interaction between parents and children. Sharing opinions with each other and get closer. It is enjoyable to play parent-child toy with family members.