I would make a car that can make fuel out of litter and when there is no litter, It'd run on air.
— Crystal, Age 9
I'd make a self-cleaning toothbrush so as to conserve water.
— Anna, Age 11
I would make a machine that cleans up all old bottles and cans around the house and the city.
— chynella, Age 10
I would invent the trash inator.It comes around the whole world pick up the trash.
— sheik, Age 10
I would build a car that pick up trash and puts it in a disintegrater.
— Ryan, Age 9
A water car if you use it water is used
— xavier, Age 10
To help the world, I would invent a phone that runs on the suns light.
— Grace, Age 10
I would invent a car that would run on air so we don't pollute the air we breath from.
— Noor, Age 11
I would make a machine that can turn scrap paper into cloth and fabric!
— Janna, Age 10
I would invent a recycling machine that you put paper into then new paper comes out.
— Emma, Age 9