Pinner says, "This kept my 2 year busy for an entire hour and my 4 year old busy for 2 hours! YAY! Drop vinegar tinted with food coloring onto a pan filled with baking soda. Sheer minutes of colorful fizzy fun!"
So bummed I gave mine away. I wish I would have seen this before. Now I'm going to look for one at garage sales. My son will love this!! _ This is such a creative way to reuse the playpen when they get a little older. Such a cute tent idea.