If you want to buy Crayon Shin-chan shake cup, you can search for related products on e-commerce platforms such as Taobao, Tmall, JD.com, Amazon, etc., and then choose and buy according to the information on the product details page. When purchasing, it is recommended to pay attention to the brand, quality, price and other information of the product, and choose reliable e-commerce platforms and merchants for transactions. In addition, you can also buy it in physical stores, such as some toy stores or gift shops.