How to Make Ballistics Gel

Many people who watch mythbusters are familiar with ballistics gel. For those of you who aren't it is used by the FBI to test bullet wounds to the body since the gel is basically a human analog. Below is a like on Step-by-Step instructions on how to make some homemade ballistics gel for a fraction of the cost.
http://www.wikihow.com/Make-Ballistics-Gel