If you have a rich imagination, you won’t want to miss out on our Lock puzzle from hell. This puzzle box is a mechanical device that serves as a doorway to another dimension, offering multiple variations and ways to play. It not only helps to improve spatial awareness, memory, and hand-eye coordination, but it is also made of high-quality PVC material that won’t mold and feels comfortable to play with. This is the perfect gift for friends who enjoy puzzles and mental challenges.