The seaside day trip remains an almost essential component of the school summer holidays, and although the big beachfront arcades have changed a lot over the last decade, they are still a magnet for small kids with handfuls of change, as well as adults hoping to spy an old Space Invaders cabinet in the back. As a child of the 1980s, coin-op video games were an obsession, but what really fascinated me were the older machines, the electro-mechanical oddities that hung on into the digital age. Here are 10 of the best – please add your own in the comments.