Gyroscopic rotation seems to defy gravity! The 5.5 inch, UFO-shaped Galactic Gyroscope illustrates the principles of modern guidance systems. Wind the internal flywheel and watch it perform its amazing gyroscopic actions. The translucent body allows you to see the spinning gyroscopic disk so you can also check out the principles which guide airplanes, spacecraft, ships and more! Also includes a removable crank, gimbal stand and detailed instruction booklet. Ages 8 and up. Information on how to place your order by fax or by telephone. Product Number DM794040