Along with GI Joes, Slinkies and Sea Monkeys, View-Masters are probably one of the most-remembered childhood products of the past few generations. Even if you yourself never got the chance to flip ...

Remember the View-Master? You slotted a disc of slides called a ‘reel’ into the top, clicked the lever on the right, and were thrilled by the scenes before your eyes. Introduced in 1939, the ...