Study Ball and Chain: Kid Friendly or Are You Kidding?

Most parents recognize the importance of making sure their children get a good education, but one product takes further action. The Study Ball ($115) is a 20-pound ball and chain that attaches to a student's ankle and assists them in sitting still to concentrate on their work. Once the timer runs out, the cuff releases and they are free to take a break. What's your opinion of the product?