Item Number: UNV31051
3D Crystal Puzzles feature uniquely shaped, interlocking, translucent crystalline pieces that create a unique dimension in the puzzles category.
Delight your mind and eyes with our Original 3D Crystal Puzzles. These three-dimensional brainteaser puzzles are enjoyable to work on, challenging to complete, and beautiful to display. They take puzzling to a whole new dimension and are recommended for puzzlers age 12 and up. There are designs to match anyone's interests, and they are fun to collect.