Step 1: Gather Your Supplies and Ideas!
Step 2: Preparation Is Key.
After drying out the container add in your pupae. You don’t need to do anything special for them to hatch other than keeping them warm or at a minimum room temperature. The warmer they are the faster they will hatch. You can add as many or as few as you want. You can get A LOT of houseflies for cheap so it’s all a matter of how far do you want to go. For a large classroom, 1000 might not be too bad. But for a small room or office 100 should be get the point across. Get creative here with the level of annoying you which to achieve.
Step 3: Pick Your Placement.
Step 4: Laugh Till You Cry.
Best of luck!