Invention Guides

help for ideas on making an invention for school for a 4th grader?

Looking for neat but yet simple ideas for making an invention for school. I am stumped any ideas would help. thanks

Public Comments

1. Well....look around the house and find a simple way of improving on something old.
2. here plant life cycle and plant life cycle
3. how about using the side of a cardboard box to make a template with a window to keep you on the right line of a bubble sheet?