What will you gift to 15 year old Boy?

In todays trend, kids even adults have been fond of playing video games say either about Playstation/Xbox or on PC after purchasing PC CD keys from the official site. The best gift for 15 year old boy is a Video game CD keys as, this will enhance his concentration power and will power up his hobbies of playing strategy based games. A few days ago one of my friends suggested Instant-gaming site which allows Pre-ordering your favorite CD Keys online at best discount price.