The keywords to the vaulting box are:「ドン・パン・シュワッチ!」

Getting on the box!
Both hands on the pink tape! Good stuff!
Spreading the legs out to the sides!
Look at that smile! 🙂
Making our faces!
We need to put more hair on our heads!
Check out our toothbrushes and gargle cups!
How will they turn out? Stay tuned!