VCG via Getty Images Souvenirs of the Beijing Winter Olympics and Paralympics mascots keep flying off shelves. The collectibles are reselling for nearly 20 times their retail price, and China boosted production to keep up with demand. Take a look at how the popular souvenirs are made. The Winter Olympics are coming to a close, but millions of fans won't soon forget this year's Games. Getty Images While the athletes were the main draw, there was an unofficial event that drew plenty of attention of its own: the race to snag Olympics mascot souvenirs. Andy Wong/Associated Press The mascot for