~OP~
I would definitely provide my documents for my child to receive the winnings if I were in a similar situation, but after that I would have a constructive conversation with him about the dangers of gambling addiction and the importance of self-control. I am not opposed to minors gambling, as I have been gambling since I was 12 and do not see anything wrong with it. I am opposed to the abuse of gambling, regardless of the age of the gambler.