Pyraminx 3D Meffert's Twist and Turn Puzzle Three layer, pyramid-shaped, "rubik's-style", twist and turn puzzle. Objective: Return puzzle to its original position so that each side shows only 1 color. Three level pyramid. With any single color facing down the upper two layers can be turned. Made up of 20 individual triangular-shaped pieces cleverly interlocked. Recommended for ages 10 to 105 years. (A few bright 7-9 years olds may also enjoy.)