Box front, side and back:
Bandai Doraemon Time Machine (1983, LCD, 2 AA Batteries, Model# 0309005)
Doraemon battles dinosaurs and cavemen as he travels through time, progressing from one screen to the next. This is all the same game, it's a triangular shaped game with a different display on each side.
Box front, side and back:
Do I have this? Yes, boxed.