its a airplane that is covered in solar plates and is powered by the sun, it will help the environment by going green. its powered by the sun so you don't have to waste money on airplane gas and you don't have to pollute the world.

If you can't afford a boat and you want to fish farther off the shore or you have problems keeping the bobber from washing to shore this is the invention for you. The bobber has a motor that is controlled from your fishing rod. This invention would work wonders with a fish detector. The downside is how to make the bobber waterproof.

it is a jacket that have heaters in it so it could be safe

It is a sponge thats cleans the human body and hair with virtually no water

A snow shovel with a self-heating blade. Makes it easier to shovel through ice.

A mechanical pencil that can play music, so you can listen to music in class.