It's a "team building activity."

Siesta is a real thing in some places.

Or cattle prods .... you could hire cowboys on horses to just ride into the office between the cubicles and cattle prod the people out into 'play pens' for a 15 min break ... then herd them back once they are done.

I would prefer nap time.

Rajio taisō

Think some Japanese companies still do these warm-ups together?

We used to have a table football in ours office. Then we moved and took it with us. Then we moved again.

There is another around a few corners but it's not the same.