Makey Makey GO - Turn Anything Into a Key! Turn everyday objects like bananas into touchpads! Connect the world around you to your computer! Setup takes just seconds. Just plug, clip, and play! No programing knowledge needed. No software to install. Works with Mac and Windows. 1000s of possibilities! Make Cardboard Smart Swords, Slack Line Score Boards, and Animal Skype Phones. Contents: 1 USB Invention Stick, a case with magnet, 1 white alligator clip (2.5 ft), a keyring, and instruction guide.