Would feet help it run faster? Ahe picked up his brush again. Beside the snake's body he added one little foot, then another. Now his picture had two.

He looked from side to side. “If there are feet here, there should be some there too.” Down went the brush: a third foot, then a fourth.

Ahe held the brush in midair. Why did the snake now look more like a little lizard? The four feet stayed on the paper, even when he frowned. The wooden snake in the middle of the table still had none.