Standing the test of time, Pyraminx is still popular after being invented 42 years ago by the world-renowned inventor Uwe Meffert. Now a worldwide best seller, this puzzle will engage your imagination and brain with its fascinating look and puzzling challenges. How to play: Twist and turn the puzzle along the multiple axis points to mix up the colors. Solve by getting a solid color on each facing.Details:Includes 1 Pyraminx brain teaser3.75" x 3.25" x 3.75"For 1 playerFor ages 7 and up