Photo: Thinkstock

10 of 15
The old-school Mixmaster is making a comeback. "Most people steer clear of buying older electric goods because of issues of fire and safety, but a lot of those items have become quite iconic in their design and their style," says van der Vorst. Mixers, coffee makers and even Bakelite toasters regularly go for several hundred dollars at auction. Collectors are particularly interested in early Cuisinart appliances, perhaps taking a cue from Steve Jobs, who was a fan of the brand's contemporary designs.