If you're ever made a gadget purchase at Best Buy, you've likely heard of the Geek Squad: the retailer's in-house fleet of tech support and repair specialists. Well, helping with your hard drive issues isn't all they do. Here at Expand NY, the crew is showing off some of the tools used at Geek Squad Academy events where kids can learn about technology -- from circuits to programming and more. Being the type to roll up our sleeves, we headed over to take a look. Jump down after the break to take a look at the banana-powered piano and video game controlled with a pair of watermelons.