Not just any piece of cardboard, though. Pull the tab on this Amazon-esque package, reconfigure its pieces, slot in your phone and viola, your very own cardboard VR Goggles.

We've shown you other cardboard tricks like this before, including how to use your phone's box as a stand, turn a suction cup into a phone stand, use one of those pizza box supports, even build ...

To make your own you will need a sheet of A4 cardboard, some sharp scissors or a craft knife, a printer and your iPhone dock cable that came with your 3G iPhone.

You can find detailed instructions on how to use it — and even make one for yourself — on Google's site. Google Cardboard looks like what you think it looks like: a piece of cardboard.