Mumbai: Hrithik Roshan and Paa Rakesh Roshan were at the launch of the official merchandise for their upcoming flick ‘Krrish 3'.Figures, toys, apparel and publishing material were the part of the "Krrish 3" collection. Hrithik was who was is his casuals and glasses looked cheerful at the launch. More than 150 products will be available as part of its merchandise line.Hrithik, who has two sons, says it is like a "service to the children of the world"."I am happy to be associated with this merchandise. I still remember, in my childhood days, we were not really well off. I used to play with pens and pencils and used to assign them superhero status. Today, (through this line of merchandise), we are providing service to children of the world. It's a wonderful service," Hrithik said here at the unveiling of the merchandise."Krrish 3" also stars starring Vivek Oberoi, Kangana Ranaut and Priyanka Chopra the movie is slated to release in November. Take a look at all the pics from the event.