Ceci :

Playing Puzzle Bobble with controllers made from PVC pipe!https://t.co/tFJqcXxvX7@ausretrogamer @gamesyouloved #gaming #RetroGaming #PuzzleBobble pic.twitter.com/8uBxVcPW7N

— Dr Tom Tilley (@ThomasTilley14) February 28, 2019

https://tomtilley.net/projects/coffee-grinder/