Okay, fair warning - this Round Diamond puzzle looks beautiful but it will seriously test your problem-solving skills! With 12 non-identical wooden pieces that interlock in this gorgeous diamond shape, it's rated as a level 4 difficulty (out of 5). There's one key piece that comes out first and has to go back last, and getting everything to fit together again is way harder than it looks. The quality is fantastic - it's handmade with smooth wooden pieces that feel great in your hands. Measuring about 6.61 cm in each direction, it's substantial enough to handle comfortably but compact enough to take with you. Perfect for puzzle lovers, as a desk toy, or for those times when you need to step away from screens and actually use your brain. It's the kind of puzzle that makes you feel super accomplished when you finally solve it. Great for adults and older kids who love a good challenge. Just don't be surprised if you find yourself staring at it for hours trying to figure out the secret to putting it back together!