Our car toy is drop-resistant and sturdy enough for indoor and outdoor worry-free play. Durability & Safety in Mind - ASTM & CPSIA Certificated, made of non-toxic, thickened ABS plastic with round smooth edges, making it safe for babies to play with. Each trcuk needs 2AAA batteries (not included) Push & Go - Simpy push, let go, and the monster trucks will zoom ahead!