У вашего броузера проблема в совместимости с HTML5
Compre na Lightake: http://www.lightake.com/p/Yuxin-Zhisheng-Kylin-5x5x5-Stickerless-Speed-Magic-Cube-Puzzle-6-3cm-Colorful_mu1928275.html
http://www.cinoto.com.br/tutorial
Veja minhas primeiras impressões sobre o 5x5 da Yuxin.