How-to make a home made gun

To do this killer weapon you just need a toilet paper roller, a balloon and some tape. It can even go through metal!

how to cook a sausage with LED's

easy & funny! enjoy! :D

the levitating cup trick how-to

sounds incredible, doesn't it? well, here is how! have some good fun with your friends!

how to home-made-tank! (part5)

The last part of this awesome tutorial. This part is all about the intial field trial. Damn it, it really works! Visit

how to build a tank! (2/5 scale) part4

Follow this great job. In this part we deal with the transmission mechanism. Don't be afraid, its easier than it seems!

home-made tank! (part3)

in this part we deal with the engine and the turret.... Visit www.scaledtanks.com to see more projects.

how to build a tank! (part 2)

ok, here we go on with this great job. in this part we deal with the zool mechanism. enjoy! Visit www.scaledtanks.com

how to recyclate rain water

easy way to recyclate the rain water. save both money and earth!

Bump Key principles

Bump Key is not about magic or esoterism! it really works and this is how...

Bump Key demonstration (open all doors)

This is a little demonstration of how the bumb key works. It can be used at any lock...