http://www.buyincoins.com/?r=bicProduct/index&pid=68678&gid=640#.VvDiVXp6F-V Today, roller skating is easy and fun. But many years ago, it wasn’t easy at all. Before 1750, people never tried skating on wheels. That changed because of a man named Joseph Merlin. Merlin’s work was making instruments. In his free time he liked to play the violin. Merlin was a man with many


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