Ben Feldman recently sent in this helpful tidbit.

"I made this little guy in the microwave. To make one, unwrap a brand-new bar of bath-size soap (I used Dial) and put it in the middle of a dinner plate in the microwave. Hit 'start' and let it run for a little while on high power. It will foam up like magic, to approx 6" in dia. Let it cool for about 10 minutes, and voila! Now you have a little friend to keep you
company.

I stuck kabob skewers into it afterwards because it looked cool."