This has to be the ultimate gadget to help your kids study, the Study Ball.
Attach the Study Ball to your child’s ankle, and set the timer, they will then be locked in and unable to take the study ball off until the timer has finished.
Basically the Study Ball is a 20 pound ball that is attached to a shackle with a built in timer, the timer can be set for up to four hours.
Disclaimer: Geeky Gadgets does not endorse the use of the Study Ball and would recommend you don’t use one on your child as you might end up with your own permanent one.
The Study Ball is available for about $115 from Curiosite.