Registering at the gym.

CLick on the link below and answer the following questions:

http://www.lletycynin.co.uk/leisure/gym-membership/

1.- My son is 9 years old. Can he be a member of this gym?
2.-Which are the three ways to pay at this gym? Explain.
3.- What is "Nofio Bach"?
4.- If I don't have much free time and I not sure if I like the gym, what is the recommended membership?
5.- If I am not a member, when can I use the facilities of the gym?