What would you do if you got your hands on a cheap electronic kid’s toy? If you’re a tinkerer like most of the Raspberry Pi community is, there are probably a thousand and one different ways you could turn a cheap plastic device into something grander with a few extra boards, a bit of soldering, and some programming. As it turns out, someone has discovered that a $5 toy makes for an excellent video game controller if you tweak it correctly. But here’s the best bit: the process is so noninvasive that you can revert it back to its original toy state if you want.