Ni Oṣu Kẹta ọdun 1970, Larry D. Nichols ṣe awari 2 × 2 × 2 "Puzzle pẹlu Awọn ege ti o le yipada ni Awọn ẹgbẹ" o si fi ẹsun iwe-aṣẹ iwe-aṣẹ kan fun o. Nichols's cube ni a mu papọ nipasẹ awọn magnẹti. Nichols ni a fun ni iwe-aṣẹ US 3,655,201 ni Oṣu Kẹrin Ọjọ 11, Ọdun 1972, ọdun meji ṣaaju ki Rubik ṣe awari Cube rẹ. Ìbéèrè: Nigbawo ni Nichols fi ẹsun fun iwe-aṣẹ ti cube rẹ?
oṣù march ọdún 1970