At age 7, Chan Hong Lik of Brazil is a Rubik's Cube wiz. He has solved a Rubik's Cube during a competition in 8.721 seconds. He has also solved cubes while being blindfolded, with one hand, and with his feet.
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Chan Hong's competition performances and television appearances can be seen on his YouTube channel. His 3-year-old sister can also be seen solving a Rubik's cube in 47 seconds.