Vintage 1966 Batman Robin Vari-Vue Lenticular Flicker Keychain Gumball Toy Prize Please take a moment to follow me because I have decided to sell my entire collection of 1950 through 1980 toys, so I will be listing them throughout the next few months. There's going to be great bargains from a serious 40 year collection with an incredible array of collectable, superhero, toys and oddities. Many that you may have never seen before. Up for sale is a rare, highly collectible 1966 original Batman and Robin lenticular "flicker" keychain. This item was originally distributed as a premium gumball vending machine prize during the height of the 1966 Batmania craze. This complete keychain includes the original vintage brass-toned ball chain holding two double-sided plastic charms: 1. **Charm One:** Features a classic portrait of Batman on one side, which "flashes/flickers" to Robin on the reverse side when tilted. 2. **Charm Two:** Features the Batmobile on one side, which flickers to the Bat