Here (8) you can find all the needed information to get the transport card (Tarjeta de transportes)
What can I use this card for? To commute from one place to another using the public transport
How and where can I charge it? it can be charged throughout all the metro facilities in any of the availble metro tool unit or on internet (9) (only in spanish if you need help let us know)
How muchis it?(10) Depending on the areas (3) (the center area is A) where the user might travel, the prize would vary, moreover the if the card is a mensual ticket the age will be also a factor.
For the tourists (11) exists a special card which can be used during a certain period of time (from 1 to days) and the areas can be chosen. Children under 7 years old can travel free in the Madrid Region public transport.
What do I do (13) if I lose my card? If the card get lost or stolen for anz reason, it can be canceled and a duplication can be obtained.