3.8 in x 4.7 in x 0.5 in / 11.8 cm x 9.6 cm x 1.2 cm
A very unique and unusual puzzle by Jean-Claude Constantin. A long ruler has had hinges added such that it can fold into many different shapes. The objective of the puzzle is to fold the puzzle into the square shape so that it can fit into the frame. Beware: it's more difficult than it looks!
Made in laser-cut wood, plastic, and stainless steel by Jean-Claude Constantin. Jean-Claude Constantin lives in Germany, where he designs and manufactures many different wood and metal puzzles, as well as magic tricks.
People who purchased Metermass also purchased the following puzzles.