Yes, my Grandad invented the ‘Rubik cube’

My Grandad was an inventor, and one of his best inventions (if he’d marketed it, and got the patent in a reasonable time) was a spherical version of the Rubik’s cube.  He invented it and applied for his patent two years before Rubik!  The game itself was not the same, but the principle behind moving parts was essentially the same thing.

Continue reading “Yes, my Grandad invented the ‘Rubik cube’”