What happens when Toy Cars stop working? We take them to the Doctor! Lets Learn about Batteries, Battery-powered Toy Cars & Radio-controlled Vehicles.\rbr\rbrTow Truck brings a sick car to Doc McWheelie! Lets Learn all about Car Engines, engine oil & air filters with Doc McWheelie! Buses & Cars come to her Garage .\rbr\rbrCAR DOCTOR! Watch what happens when Doc McWheelie tries to repair this black sports car! She gets confused! Cars, Buses and other vehicles come to her .\rbr\rbrCar Doctor meets a Tow Truck who is not strong enough to carry a Tractor! The poor Tow Truck breaks down .but Doc McWheelie can help to fix it! She collects .