Graphic equalizer t-shirts probably have an appeal to a certain niche that I am no longer young enough to be allowed to join, but I can concede that they are a fairly cool idea. This t-shirt features an equalizer in an old-school Apple rainbow logo, noise that takes place around it will cause the logo to light up and instantly identify the overzealous fanboy in the crowd. What happens next goes one of two ways: either you are at an Apple store opening somewhere and you are the instant life of the party; or you are in a public place where everyone snickers and talks about “that guy.”

Price: From $20 (requires 4 x AA batteries to run) [eBay via Craziest Gadgets]