A guy at work bought 12 pounds of this stuff. Apparently, it comes in small bottles with a red target on them. Just mix them together and shoot it with a high powered rifle. I guess it's harmless until you shoot it. 
VS a trailer;
http://www.youtube.com/watch?v=cqomN9ghOQU&feature=related
and my favorite, VS a geo metro;
http://www.youtube.com/watch?v=u617P7g3O7I&feature=related

VS a trailer;
http://www.youtube.com/watch?v=cqomN9ghOQU&feature=related
and my favorite, VS a geo metro;
http://www.youtube.com/watch?v=u617P7g3O7I&feature=related