Show how the horizontal component is independent of the vertical component. As you push the car forward eject a ball from the barrel. Marvel as the ball is caught by the barrel of the moving car! Our aluminum car features a heavy-duty spring loaded barrel with 2 settings. It has hardened ball bearing wheels and will roll on an incline as slight as 1°. Includes: car with barrel; 2.5 cm diameter ball; lock pin with cord; instructions. Weight: 1.7 kg.
