Why In The World Does Your Child Need An Old Clean Sock At School?

As many of you have noticed, the 4th grade supply list has an "old clean sock' on it. I'm sure read that several times and thought, "What???" Well, it really isn't a test to see if you read the list and follow directions! :) We will use our individual white boards A LOT! The socks are their individual erasers for the white boards. They work perfectly!