In the maker's words
The Schachbox or Chess box is a trick box by Jean Claude Constantin. There are 11 metal chess pieces that can be moved through the slotted grooves on the top of the box. The objective is to open the drawer. The chess box is a very elaborately manufactured trick box that is an absolute eye-catcher in every collection. The Puzzle measures 10.5 cm x 14.6 cm x 8.2 cm / 4.1 in x 5.8 in x 3.2 in. Note: No solution is provided for this product
More from Secret Boxes
The whole realm → 
