Calling all rotational puzzle and brainteaser fans out there! Pyraminx Crystal is celebrating its 50th anniversary with a tribute to its inventor, Uwe Meffert. Uwe began designing rotational puzzles in 1970 with his invention of the now-classic Pyranmix. This Limited Edition Pyramix echoes the hand-made original model that has inspired millions of people worldwide. Grab yours and celebrate before they're gone! There are four surfaces with colored borders on the edges of each surface varying from blue, red, green, and yellow. To play, scramble the tiles, then return all sides back to solid colors in order to solve and declare brainteaser victory! This aesthetically pleasing puzzle makes a great gift and the mechanical components seated throughout the crystal faces add an additional element of depth and beauty to the puzzling experience. This puzzle has a difficulty rating of 3/5 stars.Contents include: 1 PuzzleFor 1 playerAges 14 and upMade in ChinaBrand new condition in original packagingWipe clean with dry or damp cloth