Project Genius Brain Teaser Puzzle, Wooden Players turn two dials to navigate a ball bearing across a maze filled with holes. Classic metal and wood puzzles with a sleek and modern new look, making them the perfect fit for young adult and professional shoppers. A challenging brain teaser puzzle for adults and children alike! Display on your nightstand, shelf, or living room as a decorative conversation piece. The perfect gift for the puzzle enthusiast in your life! Skill Level: Expert