Project Genius Project Genius 12 Days of Christmas Advent Calendar Metal Interlocking Puzzles

The Project Genius 12 Days of Christmas Advent Calendar Metal Interlocking Puzzles is a unique and challenging brain teaser toy made of durable metal material. Each day of the advent calendar features a different interlocking puzzle piece that must be solved in order to progress to the next level. This toy is perfect for puzzle enthusiasts who enjoy a mental challenge and appreciate the craftsmanship of high-quality materials.