Turtle Bridge electronic game, around 1982
Nintendo published a series of handheld electronic games called Game & Watch; this is one of them. A player used a line of five virtual turtles (each of which may move) as stepping stones to transfer baggage from one side of a river to the other. Once a package reached a partner on the other side, the player returned to the home bank to fetch the next package.
Little Professor calculator, around 1978
This colorful electronic calculator, made by Texas Instruments, shows arithmetic problems. A correct answer prompts another problem on the eight-digit display. An error delivers the message "EEE."