Play and Learn: Create your own dinosaur themed race track.More accessory,More ways to play. Learn to cooperate. Exercise hand-eye coordination and color perception. | Super Value: Total 280 pieces Track Pieces x 242, Dinosaur Cars x 2 Battery include, Dinosaurs x 10, Slopes x 2,Bumping Road x 1,Cross Road x 2,Ball x 2,Tree x 4 | Perfect Gift for Kids: Be easy to assemble or take down to store.The track pieces dynamic and can twist left or right, which when the entire track is pieced together, allows a lot of flexibility,make a new track layout for different variations. The best choice for kids Birthday gift or Christmas gift. | Safe: This dinosaur track play set is made of non-toxic, high-quality plastics, Meet U.S. Toy Standard. ASTM Safety Test Approved | more pcs: KO-ON children’s dinosaur track contains 280+ PCS. The more pcs allows children to be more immersed in the dinosaur track and play happily. More combinations, suitable for multiple children to play together.