Your Car Enthusiast Will Love Adding The Emergency Vehicle Carrier From Melissa & Doug To Their Cars And Trucks. Designed For Ages 3 Years And Older, This Car Set Features The Truck Carrier With 2 Levels Of Carrying, Plus 4 Emergency Vehicles, A Medical Helicopter, A Fire Truck, And Ambulance, And A Police Cruiser. All Vehicles, Including The Carrier, Feature Working Wheels. Top Level Of Carrier Can Be Altered And Transformed Into One Row Of Carrying Vehicles (Instead Of The Double-Decker Look).