The picture below shows a larger view of all (20) Colorful Old Gum Ball Machine Prize Miniature Drink Mug Toy Charms in this lot. These are not dated but they are believed to be from the 1960s. The charms are made of translucent colored plastic with a white bubble or foam section in the top. They are marked “Hong Kong” on the bottom. They each measure about 3/4'' tall. They are all in mint condition as pictured.