What kind of a birthday present do you give to a Big Yellow Bus? You can ponder that absurd riddle — or you can just show up at the Playground Theater Thursday, where you’ll be on the ...

But, as she documents in her new book, “Once Upon a Playground” ( ForeEdge Books, $35), the playground equipment built between 1920 and 1975 has become an endangered species.

A piece of Columbus’ past has found a new home. Residents who spent hours playing on the indoor playground at the original Commons may remember a yellow spiral slide attached to two red ...