Climb-in water balloons

[Like Ra]

Looks like it's a new popular innocent Brazilian funny activity for the whole family:

Source: https://www.youtube.com/watch?v=aTcQshTgg6s

Source: https://www.youtube.com/watch?v=2vj_vIsIoNg

Source: https://www.youtube.com/watch?v=NbcXg_A3_5E

Source: https://www.youtube.com/watch?v=MAUS0vou_cU

Source: https://www.youtube.com/watch?v=RkrvM4W-tBQ

[Culmor]

Well, they all seem to be having fun (though rather than water being put in I'd rather see the air taken out...)

[Like Ra]

When I was a kid (something around 12, I think) I tried something like that, but instead of a fragile latex balloon I took a big bag made from latex covered fibre-glass fabric. I was small and light (also self-bound & gagged and dressed in tights all over my body), but the water was so heavy and powerful, that I was easily turned almost upside-down. That was a scary moment...