Analysis of information sources in references of the Wikipedia article "Munchman (tabletop electronic game)" in English language version.
It wasn't long before an investment was made in an AC/DC adapter
It was circular with a bulge at the back for the display and was made from bright yellow plastic, with a transparent black plastic cover over the display.
Of all the electronic hand-helds to have at school in the early 1980s, the Grandstand Munchman was the king at my school
a weak version of Bally/Midway's Pac Man arcade game where you can only eat the dots when moving from right to left...
Grandstand Munchman Handheld Pacman game. Year 1981
the experience is surprisingly robust, despite the ravages of time.
Two skill levels and unlimited scoring. Made in Japan