You can open a checking account with your child online or in a branch, typically in five minutes or less. Your child must be at least 13 years old.An estate account enables you to deposit income and pay any necessary expenses that may be incurred during the administration of the estate. Use this account to. You will need your Social Security Number and, probably, some form of photo ID and a means of validating your address. Payable on death are two ways to manage assets in your estate plan. What this means for you: When you open an account, we will ask for your name, address, date of birth, and other information that will allow us to identify you. Designed specifically for children under 18, Cool Blue Savings offers no monthly fee and a number of additional advantages. Discover the benefits of a student checking account. Learn more about student banking and open a checking count online today with Fifth Third Bank.