5-in-1 STEM Assembly Transforming Robot Engineering Truck Take Apart Fun Toy Vehicles Motor Skills Kids Birthday Gift Features: 5 Engineering Vehicles in 1 Robot: This truck robot toy consists of 5 detachable engineering vehicles—an excavator, truck, crane truck, mixer truck, and dump truck—that can transform into one large ROBOT. An ideal Christmas or birthday gift for children. STEM Learning: All cars can be completely disassembled into car parts and transformed into a large robot or assembled into five separate cars. This transforming children's toy encourages both solo and collaborative play, allowing little boys and girls to foster teamwork and patience. Child-Friendly and Safe Design: All parts are made of thick and sturdy ABS materials for long-lasting durability. The edges have rounded corners, making the toy safe for young children to play with and providing them with a perfect building experience. The surface is smooth and will not harm the child's skin. Easy to Assemble: Comes with a mini screwdriver, making it easy to take apart and put back together. Trying to figure out how to match the parts and put them together helps children strengthen their frustration tolerance and promote perseverance. Specification: Material: Plastic Suitable Age: Over 3 years old