The Barrel of Diogenes is a modification of a well-known spherical assembly puzzle. In this variation, twelve pieces form the shape of a barrel.
Made in Cassia-Siamea wood by Philos. Philos is a German puzzle manufacturer that started in 1996 as a toy manufacturing and distribution company. They make a wide variety of wooden puzzles, as well as some less common strategy games, playing cards, and dice.