棒１本で飛び降りる！／Jumping from Up High with Just a Stick?!
3:06
日本の武術 鎖鎌／Japanese Martial Arts: Kusarigama
3:06
身近なシンクロ現象／Synchronization in Our Daily Lives
17:00
They Called This Record Impossible. So He Had To Prove It.
18:36
BOLA PERFEITA de FIBRA ÓTICA
2:55
自作クローラ 機構紹介&操縦まとめ
2:22:13
【ヤクの雑学】1年間で7万人が死亡…“史上最悪の麻薬”フェンタニル について語り合う【guestくられ先生】
9:54
Por que os trampolins não são triângulos?
4:04