Features 1. DIY Assembling Electric Trolley: A STEM toy that combines puzzle-solving and logical route-building. Each track set allows for multiple configurations—children can freely assemble, disassemble, and rebuild tracks to create custom layouts, encouraging creativity and hands-on learning. 2. Multiple Themes: Choose from dinosaur, ocean, land, and space themes. Includes various tracks, loops, and ramps for building dynamic racing courses. Designed for shared play to support family engagement. 3. Brain-Teasing Challenges: The puzzle board features numbered indicators on the reverse side of each piece to guide layout planning. Promotes development of imagination, logical thinking, and problem-solving skills. 4. Durable and Safe: Made from high-quality ABS plastic with smooth, rounded edges. The small car moves automatically along the grooved track—offering screen-free, engaging play. 5. Ideal Gift for Kids: Suitable for children aged 3 years and up. Great for birthdays, holidays (Christmas, Easter, Halloween, Thanksgiving, New Year), classroom activities, preschool learning, indoor or outdoor play, and family time. Specifications Material: ABS Color: Multicolor Package Size: 26 × 26 × 3 cm Weight: 350 g Package Includes: 5-piece car track puzzle set or 15-piece car track puzzle set