Thanks for rep! Followup on yesterday: Us older adults were outside in the dark trying out that cannon. It was hilarious, because I got ahold of some fireworks fuse (unlabeled) because I couldn't find Visco, and it was FAST fuse. Didn't have black powder,so used pyrodex. So we would light and run like mad. Ended up trying a couple safe loads and eventually blew an AA battery somewhere. It was great fun!