And to think before I read the gerbil thing I was considering building one of these to use here on the farm. But then I looked at the video again and decided I have too may cows making too many cow pies all over the place here.

I think I will just stick to my much safer usual pass time. Blowing things up with the left over nitroglycerin tablets I have every month when the new months package of heart meds arrives from the VA.