All printing kids camera's include 3 paper rolls.  Nevertheless :-) you can also purchase a set of extra paper rolls! With one set rolls you can print approx 225 photos. A low cost of £0.02 per print if you compare it with a traditional instant print camara (£1per print). 

Zoofamily print paper refills are BPA-free, and BPS-free.
Most BPA-free thermal paper available on the market uses a similar substitute chemical called BPS.