That's what "play" is meant to be—fun! Humans are designed by nature to play and it's not something that's supposed to end after childhood. It's also something that's not supposed to be taken away from childhood.
It amazes me so many kids are quitting sports before they really get going, before they really understand what the games are all about. Why does this happen?
One question asked the respondents to identify three primary reasons for poor sportsmanship at school sporting events. The most frequent answer? Parents.