Gestor is an air mouse, presenter and scroller

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It will come in especially handy for presentations using a projector, but its uses extend far beyond that. Watch a film on your computer, for example, and you can skip forward by rotating it in your fingers. The makers are also aiming for it to be compatible with virtual-reality headsets in future – so who knows, you could soon be controlling your Oculus Rift using it.

It’s raised more than $14,000 of a $55,000 funding goal, and has 33 days to go. If you want one, pledge $65 (£45) or more (sadly, the $55 early birds are all gone). If successful, it will ship in June.