well, have you ever walked by a construction site and thought about getting behind the wheel of a bulldozer or excavator? then this is your story. it is about a park in sarasota, florida, that s become a sandbox for adults. clark foraker has more. for me, i think somebody just learning, use your hands reporter: colleen calls herself a hard hat granny. she s wanted to drive an excavator for as long as she can remember. so, out is open and in is closed. reporter: now a business in florida is giving her a chance. people at play has built a big kid playground where excavators and bulldozers rule and where anybody can get behind the wheel, no license required.