Features 1. No batteries needed, just a simple pull-back action to get these cars racing fast and furious, but if you push the back cover under the car forward, it will flips over and bounce off when the cars collide. 2. Made of high-quality metal, non-toxic, environmental-friendly, fall-resisting, crash-resisting; Safe and healthy for kids, also provide a long-lasting use. 3. Pull Back Racing Cars Set: assorted mini race cars in multiple types and vibrant colors; Exquisite details with realistic looking is enough to attract children's eyes attention. 4. Easy to Play: the size of the mini cars is suitable for small hands. Pull it back for a certain distance to let it go, and it will automatically move forward,easy to carry for kids to play with friends. 5. This pull back racing car toy will make children little drivers and race with friends. Perfect as party favors ,birthday gifts, race car birthday party supplies, children's gift ideas, holiday gifts, Christmas gifts, and toys, suitable for 3 4 5 6 year old boys and girls. Specification Material: Metal Color: Multicolor Size: 7 x 2.5 cm Weight: 150 g, 300 g, 1500 g Package Include: 5x Metal Cars Toys or 10x Metal Cars Toys or 50x Metal Cars Toys