11.Shoes with device to calculate time spent in physical activity and regulate TV viewing time accordingly
Chhavi Dutta
Class 9, Punjab
Just think about shoes communicating with TV and comparing the TV watching time to match and that which has been spent outside walking or playing. Surprising? This is what Chhavi has planned for overly addicted kids who refuse to budge from front of the TV.

12.Stapler that indicates pin are finishing
Ankita Nagarkar
Class 10Maharashtra
An easily adaptable and easy to use at no extra cost and rocket science involved method to indicate   that the stapler pins are finishing is to last the mark three pins with permanent marker.

13.Healthy Air machine
G Brahadees
Class 12, Tamil Nadu
An energy efficient, cost effective multipurpose machine, which can be used for all the air related functions around the house like cooling, heating, purification, and has air curtain and spot cooling effect, which will save energy.
Brahadees says the same can be used for air blowing, winnowing and vacuum cleaning for domestic, commercial, industrial and agricultural purpose.