Speedway Express Car Track prioritizes safety with its non-toxic ABS material, ensuring durability and child-friendly play. Each uniquely designed construction track is perfectly sized for little hands, making it easy to carry in pockets for on-the-go fun. This set includes four simulation engineering cars—haul truck, excavator, and forklift—allowing kids to explore the world of engineering. It fosters creativity and practical skills, encouraging children to build their own track worlds and develop imaginative play.