Track car require two AAA batteries (not include). Perfect Gift: Color packing box - Dinosaur theme - Cars - Lights. Safe and Non-toxic, High quality and Durable. No harmful to kids. The best choice for kids Birthday gift or other holidays gift. Features: 1.Endless Fun and Easy Storage:Can allow 1-3 people to interact and compete on train dinosaur tracks simultaneously. Practice your child's hands-on sills in play,give your kid age 3 and creative, hands-on activity, for easy storage that you can take with you anywhere. 2.Easy to Assemble: Just snap the pieces together and you get a fully customized speedway of your own creation. 3.Infinite Track Possibilities: Dinosaur Race Track Set is a fun way for boys and girls to expand their intellectual curiosity and creativity by exploring many possibilities and let their imagination run wild.The flexible tracks allows them to form different shapes and setting various playing scenarios. 4.Perfect Wish List Gift: Race Car Track make a great gift for your child.