What is the hottest item each and every athlete participating in the Winter Olympics wants to own? The must-buy item, Bing Dwen Dwen. If you are so lucky that you have one, put it in a safe place! Why ? On 2nd of February 2022 a lot of tourists flocked to Heilongjiang, hoping to buy one, only to find that it (and its related souvenirs) were sold out a few days before they visited there.