A variation on Rubik's cube, Rubik's ball?
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"The problems of puzzles are very near the problems of life, our whole life is solving puzzles. If you are hungry, you have to find something to eat. But everyday problems are very mixed - they're not clear. The Cube's problem depends just on you. You can solve it independently. But to find happiness in life, you're not independent. That's the only big difference."Submission to MacroDay for topic "yellow". (end)
~ Erno Rubik (Hungarian, Architect and creator of the Magic Cube , born in Budapest b.1944