You can witdrawal your bitcoin money easy to bank account b+and you dont need to have enought age but you need parents for that or ATM device I mean your parents need to create like example bitkonan account or any other wallet like bitstamp like a localbitcoins or any other which you know and put private informations like name,surname ,adress and other informations which they need and you can withdrawal your money to their bank account or you can withdrawal your money directly to your AMT device where are feees 5-10% when you widrawal your bitcoins which automatticly will turn to your local money.