What can a child invent?
Kids have come up with innovative ideas for inventions that include turning snack-food bags into insulation, a crayon holder for those small bits of crayon, a patented-idea to make toys from recycled materials, and a simpler and cleaner way to cook bacon in the microwave.
What invention can't we live without?
The wheel was probably the most important mechanical invention of all time. Just about all modern mechanical devices use the wheel in some way – cars, buses, bicycles, factory machines, toys, wristwatches, movie reels and more.