this is a compact sturdy aisoft gernade. it is simple and cheap. it is illegal in some states. so don't get caught. it isn't very dangerous, but it should require eye protection. i wouldn't pick it up. that would really hurt.
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Step 1: Materials
chinese visco fuse
hot glue gun
a 2 inch wide peice of pipe
a container of some sort
Step 2: Powder
first we make the explosive powder. this is made of many small peices of visco fuse. when contained it is pretty explosive. so cut two peices. one is our actual fuse. make this as long as you want. the other should be about as long as your pinky. you should cut this into tiny pieces, and catch the pieces in your container. they should be about the size they are in the picture. this is the beginnings of your explosive charge
Step 3: Making the explosive charge
in this step we are making the explosive. so first you need your electric tape and tinfoil. take two peices of tape about the length of your for arm, and two peices of tin foil, one slightly bigger than the other. now take the powder you just made, and pour it onto the smaller peice of tinfoil. now place your actual fuse on top of the powder. now inclose the powder inside the tinfoil, with the fuse sticking out the top. now wrap your little package tightly with one of your peices of tape. stretch the tape tightly, and mainly tape around the top and bottem of the explosive, so the blast comes out the sides. now repeat the process with your second peice of tinfoil and tape.
Step 4: The gernade body
now momentarily place your explosive aside. we are now building the body of the gernade. so fist rip off a third of your peice of paper and wrap it around your pvc tube. but leave a bit of the paper sticking up beyond the tube. take this bit and fold it inwards and tape it up. you are now done with the main body of your grenade.