Category : Toys/GamesWer Weiß Denn Sowas?Price: USD39.99 NOTE: Wood colors vary. 'Who knows that?' ... Maybe YOU know the popular algebraic formulas featured on the pieces! The objective of this difficult math-themed packing puzzle is to fit all nine pieces flat into the frame without overlapping. Designed by Siebenstein-Spiele founder Jürgen Reiche and made in laser-cut wood by Siebenstein-Spiele. Based in Munster, Germany, Siebenstein-Spiele was founded in 1992. Although the company is mainly known for board games, Siebenstein-Spiele also makes many wooden puzzles, several of which have been designed by company founder Jürgen Reiche. Other products from Puzzle Master |