Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Muna March 1970, Larry D. Nichols akagadzira 2×2×2 "Puzzle ine Zvidimbu Zvinotenderera Mumapoka" ndokuisa chikumbiro cheCanada chepatent nokuda kwayo. Nichols's cube yakabatanidzwa nemagineti. Nichols akapiwa U.S. Patent 3,655,201 musi wa 11 April 1972, makore maviri Rubik asati agadzira Cube yake.  Mubvunzo: Nichols akanyorera rini nokuda kwepatent yecube yake?
Kurume 1970