Based on the classic and ever popular Rubix cube, this super cool version is so slick to turn you'll be completing it in next to no time. Or perhaps not. We've always found it tricky to get more than one side to match.

Unless you peel the stickers off, of course, although that's definitely cheating. Rubix cubes have enjoyed a resurgence of late and, having seen people complete them blindfold, behind their backs and, bizarrely, underwater with no breathing gear and eyes clamped shut. Some people will do anything for a bit of attention.