Vintage 1978 Mattel Electronics Hand Held Travel Baseball Game Not Working

Vintage 1978 Mattel Electronics Basketball Handheld Video Game Parts Not Working

Vintage WORKING 1978 Mattel Electronics Baseball handheld electronic game Works

Vintage 1978 Mattel Electronics Baseball Handheld Electronic Game - Not Working

Vintage 1978 Mattel Electronics Baseball Handheld Travel Game - unsure if works

Mattel Electronics 1978 Vintage Baseball Handheld Game

Basketball Handheld Video Game Mattel Electronics 1978 Vintage - Not Working

Vintage Mattel Electronics Soccer Handheld Pocket Game 1978 Tested & Works!