While I was observing on a preschool play yard today, I saw what I thought must be a train, built from wooden crates and tree stumps.

Several children were scurrying around it, placing wooden blocks on top of the stumps, and gathering sticks. They climbed on, and climbed in. One child at the rear of the train yelled, “All aboard!” The next thing I knew, the children climbed out, ran around the yard, and hopped onto tricycles, loading them up with the blocks. “Special delivery” they shouted! “We’re in Africa!” “The animals need their presents!” After several…