Rubonarie Brain Teaser Ring 3D Puzzle for Adults, Hospital Time-Killing Aid, Cast Puzzle (Silver, Gold, 6 Pieces)

These puzzles stimulate the brain. Available in two types, enjoy these 3D puzzles. They encourage fine motor skills and can also be used as part of rehabilitation, making them perfect for those hospitalized or undergoing rehabilitation. They're portable, so you can use them to pass the time during long waiting times or while traveling. Enjoy a challenge you can't get with just your smartphone. Each puzzle is stylishly designed, so simply placing them on your desk when not in use will instantly transform them into a stylish addition to your room's decor. They also make great small gifts for close friends or to celebrate the opening of a new store. Set includes: 5 bronze types, 6 silver and gold types