Some of my most recent props and their materials lists:
9 Adding machines with desks - desks are Little Caeser’s pizza boxes turned inside out, machine is shaped from cardboard, keys are thumbtacks with bingo chips super-glued on the tops.
2nd photo is the sound mechanism. - which consists of 5 chopsticks, a cut up iced tea bottle, some mardi-gras beads a gift card, some hot glue and black duct tape.
Hats - papier mache, wrapping paper, broken safety glass salt (you should have seen the looks I got at the junk yard when I asked to go in and collect it!) mardi-gras beads, shredded paper, 2 feather dusters, a boa and a knee high.
2 tanks - cardboard, duct tape, glue. This photo was taken during rehearsal. At the last minute I added a dowel with a small sign saying “bang” :)