Randi Rain disassembles and restores an almost-“new”-but-not-working “Hit and Missile” electro-mechanical handheld game (from 1979 - 198x?).
You can see it working at 21:39
Source of the image: Handheld Empire - game | Tomy : Hit and Missile - Space Attack - Terra Hit - Missile Strike
Oh, I had one of these! It was amazing, until it stopped working. Sad day.