On first encounter, new gadgets are always a little odd, no matter how useful they ultimately prove. Consider that, just a few years ago, pulling a smartphone out of your pocket likely generated some quizzical stares. Now, nothing could be more mundane as phones have become the de facto tool for everything from keeping in touch with friends to hailing a cab. For every technology that became ubiquitous, however, there are dozens of examples of devices that never made it past the awkward stage.

Here is TIME’s list of the 25 outright-weirdest gadgets of all time, from flying cars to wrist-mounted computers. This list was assembled, ranked and debated (at length) by TIME’s business and technology team. What did we miss?

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Write to Matt Peckham at matt.peckham@time.com.

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