Marvel Captain America Original 3D Crystal PuzzleChallenging 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 categoryCollect them all: More than 150 unique designs and colors available, with new puzzles released every yearBrainteaser Meets Puzzle: Original 3D Crystal Puzzles are among the most challenging, perplexing and fun puzzles you will buildPuzzles contain interlocking, colorful, 3-dimensional puzzle pieces with step-by-step puzzle solutions available for extra helpShow off your accomplishments and display your completed 3D puzzles for family and friends on your coffee table or use as a shelf or home décorIf you love jigsaw puzzles, you will love Original 3D Crystal puzzles, perfect brain teasing puzzle for teens, tweens and adults