We made some homemade bombs out of some stuff we stole from science labs and stuff... we had a short fuse wire so you had like 2 secs to run. DONT EVER USE SHORT FUSE WIRE xD.
Nice guide but as people have said BECAREFULL USING DRY ICE.
I was on ebaumsworld and a guy strapped a dry Ice bomb on his head and he either went unconsious or he died.. I just say him go lim and collapse to the ground, funny but bad.