This is a packing puzzle that features 4 different shaped pieces. To solve the puzzle, all four pieces must fit into the frame. 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.