spray paint measuring tape and keep track of kids heights at different ages. Takes up no space and can move with you. I would paint the back side to mark so you can still see their height without having to remeasure your measuring tape.
Teach Your Child To Read Fast - Nine skills kids should know before going to Kindergarten. It is shocking how many kids dont know these. It starts at home. - TEACH YOUR CHILD TO READ and Enable Your Child to Become a Fast and Fluent Reader!