Recommended age: +7 years. Number of players: 1. Box size: 12,5x11x11cm. Standing the test of time, PYRAMINX is still popular 42 years after Uwe Meffert invented it. It is one of the worlds best sellers and still captures the imagination today thanks to its original look and feel. Twist and turn to mix the colours. Then try to re-align the colours to get a face of the same colour.