The next time you’re in line at Nifty Nut House in downtown Wichita, look up. Above you is an unofficial museum of gum, candy and nut vending machines. Some might call it Steve Jahn’s nutty obsession.

Which gumball machine is best? Gumball machines not only evoke nostalgia, but they can add a touch of whimsy and fun to a room or office. Provide a vintage memory of the past for your friends and ...