MindJewel Puzzle. Bling for your brain! Arrange the colorful translucent gemstone puzzles pieces, to create a dazzling jewel! To get started, unravel the completed award-winning MindJewel. The gemstones are connected by a string. Solve the puzzle by fitting the gemstones together and re-forming the MindJewel. It looks very easy but it's not! This executive quality toy is rated for ages 6+ and would make a great holiday or any-time gift.