A young girl and her elder brother get a kind of magic chewing gum that can be transformed into anything they want. Then "Gum-gum" is sent down to keep an eye on them so that they won't abuse the magic gum. This is an animated film for small children depicting the adventures of these three characters.
(c) Tezuka Productions Co., Ltd. / Mushi Production
Mushi Production Commercial Firm / April, 1968 / 13 minutes and 6 seconds / In Color