Cool Inventions by Children
Did you know that there are many things that were invented by children? Let's take a look at some of the cool inventions by children.
Build your own Barometer
A barometer is a device which is used to measure air pressure. The device is also useful in predicting the changes in weather.
gkmhss Topper 2014
KENDRIYAVIDYALAYA GULBARGA Topper 2015