This activity goes perfectly with any silly book about opposites or feet. I use it for a week when we read books from our favorite author's silly books. ;)
Brainstorm as a class the opposites from the book and more. Use this activity to follow up on their knowledge of opposites. The kids love to flap the feet up and down. Extend the activity by having your students share their opposites with the class or partner. Have the students only flap open one foot and see if the class or partner can guess the opposite.