I think part of the fascination is the gyro sensation, and few children are exposed to gyroscopes nowadays, like a TEDCO gyroscope (http://amzn.to/2qZsS1t http:

I think part of the fascination is the gyro sensation, and few children are exposed to gyroscopes nowadays, like a TEDCO gyroscope (http://amzn.to/2qZsS1t http://amzn.to/2qZsS1t).