How does a giant cruise ship keep upright? How do planes stay in the air? What are slick tyres? How big is an aircraft carrier? Find out this fun tour of modern machines. From cars and motorbikes to airliners. Submarines and roller-coasters. The firendly stickmen take you right inside the workings of... Formula One Cars, Jet Engines, Helicopters, Container Ships, Bucket-wheel Excavators, and ma…