Today’s Japanese word is “Kami-fuusen” (Paper balloon).
“Paper balloon” is a paper toy. It made from pasted petal-shaped colored paper in a spherical shape.
You can blow in the folded up state and inflate it.
After the “Kami-fuusen” is inflated, it will be launched with the palm and played.
It is one of the traditional Japanese toys.
By the way, there are things called “placement medicine” in Japan.
This system places “medicine box” in each home. And regularly the peddler will come to refill the medicines. It is a system that pays only for the amount used.
This peddler distribute “a paper balloon” to children as “bonus”.
Recently, there are various forms of “Kami-fuusen”.
“Kami-fuusen” seems to be broken easily, but it is surprisingly strong.