A Stannah lift with a weird scrolling LED matrix indicator. This lift is a reasonable speed but it wastes a lot of time. To cancel the alarm if you set it off, hold down the space bar for 5 seconds. See how many strange glitches you can spot.
The alarm icon designed by Rami McMin from Flaticon licensed under Creative Commons BY 3.0 - https://www.flaticon.com/authors/rami-mcmin1 All sounds use Scratch's music blocks (not brilliant, but it works)