For Free at Sea Plus, what if guest 1 or 2 in the stateroom is a child?

As part of Free at Sea Plus, guests under the age of 21 will receive a modified version of Free at Sea Plus for a reduced price of $40 per person per day. Kids ages 3–12 sailing as guest 1 or 2 get unlimited streaming Wi-Fi and prepaid service charges. Kids ages 13–20 get this plus the 50% discount on additional specialty dining cover charges.