Similar story at our school. Some boy's Mom came to our school and asked if we could host a birthday party for her son, who had been given one of these kits. My instructor told her we would, for only $50, if she brought all the refreshments, we would do some fun "martial arts' type activities for the kids of 5 & 6 years old. So, we did some basic animal stances (being Shaolin Kempo and all...), how to do a front punch and a palm heel (they LOVED hitting BOB), and then we tried to break some boards with the palm heel. None of the kids could do it, but 2 of the moms did LOL. Everyone had a good time, no cake got into our floor, and we will probaly get at least 2 sign-ups out of it.
-David