N'ọnwa Machị afọ 1970, Larry D. Nichols mepụtara 2×2×2 "Puzzle with Pieces Rotatable in Groups" ma tinye akwụkwọ patent Canada maka ya. Nichols's cube bụ nke magnet na-ejikọta ọnụ. E nyere Nichols patent US 3,655,201 na 11 Eprel 1972, afọ abụọ tupu Rubik mepụtara Cube ya. Ajụjụ: Mgbe Nichols gbara akwụkwọ maka patent nke cube ya?
Mach afọ 1970