Yes, I have tried it with Goddess Shelly applying the itching powder before putting me into the sleep sack.
This is the product she used:
https://www.ebay.com/itm/370296907189?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
No, it was nowhere near as much fun as being tickled. No, it does not even resemble the sensation of being tickled.
Does it even actually work? I've looked at it on Amazon before, and I saw it had awful reviews.