The Team Builder tool allows you to register a large number of customers into categorized buckets, like ages, and then build teams from those larger buckets by transferring the customers into a team. In Team Builder you can transfer a larger number of players and their money very quickly making it an ideal tool for any registration where you have a large number of individual players. Team Builder isn't supported for Classes.
For example, if you had a youth season coming up with age groups of 7-16 years of age, you might create 10 different individual team registration buckets. You would then have 10 different house teams called "Youth Team U7-16" (where 7-16 was the actual age group).
Your Teams
Youth Registration U6
Youth Registration U7
...
Youth Registration U16
After registration has closed, you can start building teams using the Team Builder. Some age groups might be smaller and need to be combined or you might be building coed leagues. The team builder helps build these teams by giving you the ability to sort details of the player such as gender, age, birth date, zip code and any custom field that was a part of the registration.