Pull back mechanism: No batteries needed - just pull it back and release! Dino cars: Get a pack of six dinosaur head pull-back toy cars! Heads: Features a variety of dinosaur heads for your kids to identify and play with. Compact: The perfect compact size for small hands - and for taking with them anywhere! Gifting: Comes packaged in a brilliant gift box - ideal for gifting! Material: Outer casing and corners are made of soft plastic, so they're kid friendly. 6Pk Dino Head Pull-Back Toy Cars | Living Social