Object: Lilacs in three colors (or any other flower which comes in more than one color).

Lesson: Differences; tolerance.

"I've brought some flowers today. Does anyone know what kind they are?" Right away several of the children tell me they are lilacs. "Are they all lilacs?" I question. The children assure me they are, even though they are of three different colors.

"When I was small," I continue, "in fact, until just a few years ago, I thought all lilacs were this light purple color. It's a color which is sometimes called lilac or lavender. Then, not too many years ago, someone gave me some white lilacs. I admired the flowers and asked what they were. " 'They're lilacs,' the person told me. " 'No,' I said, 'they can't be lilacs; lilacs are lavender.' " 'No, some lilacs are white,' the …