[NOVELTY] - Include 4 units different dinosaur shape cars (Triceratops, Tyrannosaurus Rex, Dilophosaurus, Tatankacephalus), which is a great attraction to kids. [SAFETY] - Made with non toxic and durable thick plastic material,the shell is slightly soft to avoid scratching children, and very strong and hard to apart, conforms to ASTM F963 US toy safety standards. [PERFECT GIFT]--Popular gifts for 3,4,5,4-5,6,7-10 year old boys kids girls birthday gift, easter gifts for kids,easter toys,christmas gift, party favors, prizes. [SAVING ENERGY] - Pull back cars with big wheels, simply pull it back and then it will go automatically, don't need extra battery, you can play these car toys anywhere, anytime. [SUITABLE SIZE] - Measure approx 2-2.5 inch, easy to catch and play by 3 4 5 year old boys girls kids.