In Japan my then 2.5 year-old daughter climbed on monkey bars that were twice my height, and she climbed all the way to the top. It's probably been since the 5

In Japan my then 2.5 year-old daughter climbed on monkey bars that were twice my height, and she climbed all the way to the top. It's probably been since the 50s that you can't find such playground equipment in the U.S.