It works GREAT for me, usually no problems.
VERY easy to make, basically free, all you need is less than 10 seconds (unless.... look at next step) of your life.
I hope you like it!
Step 1: Gather your materials.
- Box. Any size, big or small.
- 10 or less (or maybe more unless you have problem finding a box.) seconds of your life.
- Something to poke holes with.
- Vacuum cleaner.
- 3 oranges.
- Video camera.