This HOMCOM engine toy set comes with 61 pieces the perfect gift for kids who love vehicles. Some of the features include a car key with a simulated lock, horn sounds, adjustable gears with sound effects ideal for role playing games. You can also open the engine cover, replace plugs, remove the motor, check the oil and more, so children can get their make-believe repairs done. It's an engaging way to get them familiar with mechanics and how to operate vehicles safely. HOMCOM Kids Truck Engine Toy Set with Horn, Light, Car Key for 3-5 Years Old in Red