In 2018, Du Yusheng Set The World Record Of 3.47 Seconds For Solving The Standard 3x3x3 Version Of Which 3d Colour-Matching Children's Puzzle? Versions Up To 17x17x17 Have Been Commercially Produced.

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1. In 2018, Du Yusheng Set The World Record Of 3.47 Seconds For Solving The Standard 3x3x3 Version Of Which 3d Colour-Matching Children's Puzzle? Versions Up To 17x17x17 Have Been Commercially Produced.