Posted by Vivienne lewis on April 09, 19102 at 11:46:51:
My son's school is doing a earth day fair ,he is
required to invent a functional tool or machine made
out of recycled materials .I am storming my brain
and so is he and we are totally clueles ,Can anyone share any ideas with us ,I know it has to be his invention,and that I want him to ne inventive ,but I dont know
how to help him Any suggestions ?