You can make your first transfer into a new Box from your Main Account, or any other open Boxes. You can also transfer funds between your Boxes.
To transfer funds between your boxes, follow these steps:
Open your Box
Select the Box you'd like to transfer funds from
Select the Box you'd like to transfer funds to
Enter the amount you'd like to transfer*
Press "Next" to complete the transfer
After transferring funds between your Boxes, set a goal to save towards for each!