University Games and BePuzzled are proud to present Original 3D Crystal Puzzles, the largest line of 3D puzzles available in the USA. With over 150 puzzle designs to choose from, these challenging puzzles will keep all puzzle enthusiasts busy completing amazing creations. If you are a puzzler who loves jigsaw puzzles, brain teasers, building sets, art projects, activity kits and fidget toys, then Original 3D Crystal Puzzles for you. Each puzzle includes precision-crafted puzzle pieces that are part jigsaw puzzle and part tangram. These puzzles are designed for ages 12+ and adults.