"Not zip guns but as kids we would make these weapons out of a 10″ PVC tube and a balloon. You tie the balloon to one end, drop a pebble or small rock into the other end, pull back the pebble inside the balloon and let it go. Those f@#kers would break skin and cause serious damage (broke a friend’s glasses once). You could also use dried beans as ammo."
and kids are idiots. That's exactly the problem.
Saves a lot of grief later on.
well, you get the idea.
even the chocolate and candy cigarettes are banned nowadays