With an iPad and a shoebox Gary Katz has recreated large scale venues such as a drive-in theatre and a cinema, now he's aiming for the big time with a stadium rock show. His iPad Concert Kit sells for $9.99 online and gives you all the crafty parts to build a rock venue around your tablet screen, complete with moving audience. You can see the results in the movie below. You just have to find the right concert footage to match.