One of my students had brought in a tomato hornworm a few weeks ago. It was one of the best experiences in our class so far. Luckily, the tomato hornworm returned, but not in his original form - he had become a moth.
My students create the best lessons! I've joked with my husband that I should invite a few of the students over each weekend and tell them, "OK this is what we need to learn next week, how should we cover it?"
Do you learn as much from your students as they learn from you?