1. Open a separate bank account for your child. Limit the use to his or her business activities. You don't want to use the college savings account.
2. Connect the bank account to a https://www.paypal.com/ account
3. Encourage your child to get their friends involved in Small Business Camp for Teens. If you have the space, maybe you could invite them over your place for a group experience. You would need to have internet access and a separate computer for each teen.