A viral puzzle posted by TikTok duo @themakeshiftproject has left millions scratching their heads, with just one per cent of people reportedly able to solve it in under 30 seconds. Brian, one-half ...

Some 3D shapes, like cubes and pyramids, can be opened or unfolded along their edges to create a flat shape. The unfolded shape is called the net of the solid. Here are some 3D shapes and their nets.

Tearaway Unfolded (PS4) – all-new gimmicks. The best game on the PS Vita is now available for the PS4, along with some of the most inventive uses for the DualShock 4 there’s ever been.

Patterns from a Tangram puzzle and solution books, China c. 1815 (British Library 15257.d.5, 15257.d.14) British Library This sparked a craze for the game in China.