How to make a scary light up pumpkin that blasts a truck horn

Warning: this video does not demonstrate the actual instructions for making this spooky Halloween LED light up pumpkin that blasts a truck horn. Check out http://blog.makezine.com/archive/2008/10/howto_tuesday_scariest_pu.html for more information and a complete build process. Learn how to make it with the text and image process step by step. Halloween fun!!

What you need:

* Aduino - Available in the Maker SHED
* ProtoShield - Available in the Maker SHED
* Wire
* Pumpkin - Real, plastic or foam
* 12Volt battery
* Car horn - $7 at local car shop or junkyard
* Buttons and/or switches
* LEDs - Any color, but I like orange
* Heat shrink tubing

Tools you need:

* Soldering Iron
* Pliers
* Pumpkin cutting/carving supplies
* Glue gun