科学少女まーちゃん！！いじわるふとし君とピンポン球対決！科学の力で勝利だ！科学実験himawari-CH
Published October 2, 2021
Views 3.28M | Likes 7.45K | Comments 0
Ranked #2,280,743 globally by view count, this video has accumulated 3.28M views since it was published on Oct 2, 2021.
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