Straight from NCL's web site.
Kid's Crew™ Refillable Soda Fountain Cup (12 years of age and under)
3-day cruise $8.00
4 and 5-day cruise $10.00
7-day cruise $16.00
10-day cruise $22.00
14-day cruise $32.00
Teen Passport Program (13 - 17 years of age)
20 non-alcoholic drinks, including non-alcoholic smoothie in a 12-14 oz. Glass $34.50
The teen and a guest are entitled to an afternoon dance party with the D.J., pizza and unlimited non-alcoholic drinks
The Teen will also receive an invitation to a "Farewell Frat Party" on the last evening of the cruise.
Works everywhere onboard the ship.