Engaging with torrents for copyrighted content like this carries serious risks:

: For single-sided movements, you alternate left and right.

That being said, here's some general information:

By respecting the underlying biomechanics of kettlebell lifting and sourcing your educational materials safely, the 300 Kettlebell Challenge can serve as an incredible benchmark for your lifelong fitness journey.

: The kettlebell must never touch the ground from the first rep to the last.

30 reps (15 each direction) – Wakes up the grip and core.