伝統的な日本の玩具です。
けん玉を持つところに糸で繋がっている玉をキャッチします。
Kendama (Cup and Ball) - Traditional Japanese Toy
It is a traditional Japanese toy.
Ken' - handle, 'dama' - ball.
The principle of these toys are the same:
catching one object with another,
where both are joined by a string.
