Here is another portable electronic chess computer that gives you a fun game on the go. The Saitek Pocket Chess Computer comes with a peg sensory board. It has 8 levels of play and 2-year memory. The computer can play both colors and against itself. These were sold in the mid 1980s.
The Saitek Kasparov Pocket Chess (art. no 114) uses LED lights to show where to move your pieces. You can find out more here.