As well as the school clown shows, which are updated every six months, McDonald's is building Ronald McDonald gymnasiums for children in some of its restaurants.

Those turn out to be a canopied complex of grassy backyards, complete with porches, children, swings, a garden, and a water pump operated by-no joke-a man on a StairMaster.

000 children under the age of 14 are injured on treadmills, stationary bikes and stair climbers every year according to the Consumer Product Safety Commission.