Challenge your mind and impress your friends with the Cast L'Oeuf metal puzzle. This labyrinth style puzzle from Hanayama Huzzle, done up in the shape of an egg, gained prize winning honors at the 2nd Annual Puzzle Design Competition in Antwerp. The French puzzle name Cast L'oeuf, when translated into English, is quite appropriately titled The Egg.

Simply put, the goal here is to separate the two pieces and then put them back together. This task will prove to be trickier than you think. Another puzzle from Dutch mastermind Oskar van Deventer, the Cast L'oeuf will provide you with hours of entertainment. Whether you're a seasoned puzzle lover or just looking for a unique gift, the Cast L'Oeuf is sure to impress.