Yes, you do. Begginer slopes and moving carpets are located in Borreguiles area. To access that area and use lifts and carpets, you need to buy a lift pass.
If the ski lifts are closed you’ll get a full refund for you lesson. You will also get a refund for your lift pass from Cetursa. For that you need to go to the ticket windows located at "Plaza de Andalucia”.
Yes, there are two storage areas: one is located in Pradollano (behind the "Al-Andalus” gondola) and the other one is in Borreguiles (inside “Borreguiles" gondola gallery). Check prices and exact location here.
There are several options for families who travel with children: Pradollano Children’s Play Center ("El Cole de la nieve"): from 4 months to 6 years old. “Family Kids Club”: from 3 to 12 years old. “Children’s Alpine Garden”: from 3 to 5 years old. Check prices and locations here.