I've been wanting to do this too...but I am more eager now that I hear it actually works! I wasn't sure how the toddlers would do with understanding the concept of not crossing the line of the hoola hoop. My daughter gets so frustrated sometimes when they come and mess up her little people or whatever she is playing with...or when one is building a tower and another comes and knocks it down. I am going to have to get some and try it!