Do you want to keep your secret messages and small items safe? Besides being a beautifully made wooden puzzle it also has a secret compartment The challenge is to find out how to open it Part of the Constatin Puzzle Box Collection, Level 3/5 For centuries, puzzle boxes have been ...Do you want to keep your secret messages and small items safe? Besides being a beautifully made wooden puzzle it also has a secret compartment The challenge is to find out how to open it Part of the Constatin Puzzle Box Collection, Level 3/5 For centuries, puzzle boxes have been used to pass secret messages and small precious items. This puzzle box contains such a hidden compartment, can you find out how to open it?