It's not a sin nor is it wrong. look up the meaning behind pinatas and then read the article below:
Piñatas I read with interest the article “The Piñata—An Ancient Tradition.” (September 22, 2003) It left me with some questions. The ties to false religion are well-documented. But the article seemed to take the position that as long as it doesn’t bother someone’s conscience, it is OK. What about birthdays and holidays such as Christmas?
JW's are two-faced bastards.
I wish I had never gotten involved in this cult/religion.
GTTM