It is not just good to learn these things in case an evil foreign power decides to invade your space but it can also be useful for preppers and survivalist! Just think about how you could use and maybe even improve on the following demonstrations!

Honestly, we were not sure we liked the smoke device at the end until we saw in utilized. To us it just seemed like a lot of bother – but its success speaks for itself!

No, none of us are ten years old anymore, looking starry-eyed into a future without problems, so it is nice to know that we can use our imaginations to make items that are both impressive and practical. We all want to be safe and the pen spy tools above just might help us and our families out of a bad situation!