You don't need a special machine if you already have a microwave - take a plain brown paper bag like the kind used for sandwiches (not waxed), add a tablespoon of regular popcorn for about a cup of popped corn, roll the open end closed loosely, place in microwave on high (with the rolled side up) and set on high and for about 2 minutes watching and listening carefully. When the pops are more than 7-10 seconds apart stop and enjoy!