THIS IS A GREAT GAMING SYSTEM ESPECIALLY FOR KIDS IF YOU WANT TO CONTROL WHAT THEY PLAY OR WHAT WEBSITES THEY PLAY ON! IT COMES WITH ONE KEY CARD THE ONLY DOWN FALL IS YOU HAVE TO BUY ADDITIONAL KEY CARDS BUT IT COMES WITH 30 MINUTES TRIALS FOR LOADS OF OTHER GAMES,THE KEY CARDS CAN BE FOUND  AT MOST ANY STORES, I HAVE ONE OF THESE MYSELF IT PLUGS IN VERY SIMPLE TO LOAD EVEN FOR KIDS! ALL YOU NEED IS A ONLINE CONNECTION TO PLAY AND A USB PORTSOME OF THE GAMES YOU CAN BUY ARE,FAIRY ODD PARENTS,TRANSFORMERS,FOSTERS HOME FOR IMAGINARY FRIENDS,PAINTBALL,MANY OTHERS!THEY RANGE IN PRICE FROM 3.99-9.99 THEY ARENT EXPENSIVE.