In the drawings, a little boy in starred helmet, towel cape, and Superman ""S"" taunts two active but fussily dressed little girls in a kitchen, bathroom, stairway, etc. . . . while Kahn keeps pace with a chant: "". . . You can ride a pony/ trot trot trot/ You can ask a question/ what what what/ You can put on ice skates or even learn to ski/ and slide off snowy mountains/ but you can't catch me. . . ."" But if their costumes are a clue to their upbringing, it's no wonder he's outpacing them already. As for the rhyme, it flows right along. . . in one ear and out the other.