The Twisting, Turning, Spinning, Spiraling, Twirling, Whirling Gravity Toy. This is the original TEDCO Gyroscope in a blister pack. Use your imagination to discover other amazing tricks. The forces demonstrated in your Gyroscope are the same as those first observed by Issac Newton in the 18th Century. They are put to use today in gyro-controlled guidance and navigation systems in ships, planes and spacecraft among other things.