The earliest swing sets, which date all the way back to the fifth century B.C., were nothing more than slabs of wood tied to a tree—the most basic of designs. Today, however, the outdoor staple has ...

Remember the “good old days,” when rusty metal swing sets with one or two swings, a slide, and, if you were lucky, a trapeze bar were the stuff back-yard play was made of? Not anymore. Today, ...