These Are Impossibly Challenging Clear Puzzles That Will Bring Hours Or Days Of Entertainment. This Is A Great Item For Any Puzzle Lover. The Pieces Are Durable And Will Last Forever And Won’T Be Damaged By Heat Or Moisture.<br/><br/>Features:<br/>1. The Codex Silenda Puzzle Book Is Challenging Puzzle Games For Developping The Thinking, Imagination And Patience.<br/>2. Durable, No Smell. It Has A Very Long-Lasting Using Life.<br/>3. The Outer Packaging Is A Beautiful Box, Very Suitable As A Gift For Your Families And Friends.<br/>4. The story follows the apprentice in Da Vinci's Workshop who encounters the same Codex. However in the story the Codex acts as a trap set by Da Vinci to capture any would be spies/snoopy apprentices in order to protect his work. The only way to escape is to solve each of the puzzles before the master returns from his trip.<br/><br/>Specification:<br/>Material: Wooden<br/>Size: 9.8x9.8 in<br/><br/>Package Content:<br/>1 X Codex Silenda Puzzle Book