• Challenging to Complete, Beautiful to Display: This puzzle is designed for ages 12 and up.
• An innovative new spin on the age-old flat jigsaw puzzle category: this puzzle contains 3-dimensional interlocking pieces
• Collect them all: More than 150 unique designs and colors available, with new puzzles released every year
• Brainteaser Meets Puzzle: Original 3D Crystal Puzzles are among the most challenging, perplexing and fun puzzles you will build
• 3 Dimensional: Puzzles contain interlocking, colorful, 3-dimensional puzzle pieces with step-by-step puzzle solutions available for extra help
• Build and Display: Show off your accomplishments and display your completed 3D puzzles for family and friends on your coffee table or use as a shelf or home décor
• Great for All Puzzlers: If you love jigsaw puzzles, you will love Original 3D Crystal puzzles, perfect brain teasing puzzle for teens, tweens and adults