... and it was great fun.
I bought the materials here and it was worth every penny. Now, my two little ones are really to young to understand they were really building polymers by cross-linking long chains of molecules, but they did understand that mixing the two liquids caused a reaction. They understood that they caused an "irreversible change" and that we couldn't unmake our worms. (Though we did have to experiment to see if we could.) Now that's science. Plus S and K got to investigate color mixing, they spent some time quality time with mom and dad, and due to activities like this one they are beginning to associate science with fun. (Ah... the science teacher in me gets a big grin just thinking about it.)
If you home school or just want to have some fun with your kids, I highly recommend picking up one of these kits. And just so you know, I didn't get my kit for free in exchange for blogging about it. I am not being compensated in any way - we just had so much fun making worms that I thought you might want to try making them yourself. You won't regret it, I promise!