How to make a steam engine
Glowing paper ball
How to make a water bottle rocket
How to make a crossbow
In this topic is described how to make mini crossbow. It is not very powerful, because the string is made of rubber, making a mini crossbow the great shooting toy for a child.
Homemade mini crossbow
Throwing knifes - very interesting and skill entertainment. Theoretically, you can accurately throw a knife or any sharp-edged thing, but throwing knife is the best one. Large, heavy and balanced. Naturally, they cost money, but if you have old file or similar piece of iron... read this article, you can make of them throwing knives!
Homemade throwing knife
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