A second-grade show-and-tell can go from sweet to unforgettable in about ten seconds. One teacher thought she had seen every pet turtle and model airplane possible, until Erica walked in with a pillow under her sweater.

Betsy, a grammar-school teacher in Miami, had been teaching for about fifteen years. Show-and-tell in her second-grade classroom was usually tame: pet turtles, model airplanes, pictures of fish, that sort of thing. She never set limits. If a child could carry it to school and talk about it, it was welcome.
