If you are looking for something to annoy your co-workers with, this Nerf Missile Launcher which can be controlled from your iPhone might feel be worth a look.
The launcher is equipped with four Nerf projectiles and connects to your iPhone via a Bluetooth connection. It has a rechargeable lithium battery, which can be easily charged via a USB connection, and it can be controlled either via touchscreen control or G-sensor control. Watch the video after the jump to see it in action.
Its also equipped with 270° horizontal rotation, a vertical flexibility of more than 40° and a shooting distance of around 25 feet. Allowing it to cover around 1,400 square feet of your workspace, keeping you safe from wandering bosses and co-workers.
The iLauncher Thunder is cheaper though and will set you back around $100. But just think of the fun you can have.