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Children at the Heritage Lakes School in Carol Stream, Illinois, decided to help the environment. The students collected old rubber-soled shoes and sneakers that could be used to make bouncy playground surfaces. Many playgrounds cushion the ground with wood chips. The students learned they could recycle rubber from old shoes to make a safer, more Earth-friendly surface. The project saved trees by creating a replacement for wood chips. And it used old shoes which might have been dumped in landfills. The class sent 471 shoes to be cut into tiny rubber chips. The rubber chips cover new playgrounds. Somewhere, children are playing on Carol Stream's old shoes.