Novelty items that are USB powered or operated by smartphones are very popular time wasters and they also make fantastic gifts. These fun desktop missile launchers fall into both of these categories and they are also very cool!
Source: BROOKSTONE/Amazon
This is a USB Desktop Missile Launcher by Brookstone. It shoots foam missiles to a distance of 25 feet. A cool idea for college dorm room study areas or as a gift for a teenager. It can easily be controlled by either mouse or keyboard.
Source: Dream Cheeky/Amazon
The Dream Cheeky 358 iLaunch Thunder for iPhone Electronic Reference Device connects via Bluetooth to any Apple device. Control it via your computer, iPhone, or iPad. It is controlled via a specially designed app which is available in the Apple App Store.
Source: Dream Cheeky/Amazon
The Dream Cheeky iStrike Shuttle for iPad/iPod touch/iPhone (316) is a three-channel indoor helicopter. It is controlled via an Apple device and includes a rechargeable lithium battery. There are various flight control modes to make things easier and the shuttle drops a "bomb" in the form of a ping pong ball.
Source: Griffin Technology/Amazon
This is the Griffin Technology GC30014 Helo TC Assault Touch-Controlled Helicopter. It can be controlled via your Android or IOS device. It features twin missile launchers and is equipped with six redeye missiles. In order to control the helicopter, you will need to download the Helo TC App.