There's a better solution. Head over to your nearby fabric store. Search for the bedding section (quilts, comforters, etc). There you will find BIG bags of the very same nesting material - it's usually around $6 for 30 times as much. There's the 100% unbleached cotton as well as polyester (you don't want the polyster one). Or, if you want to double your value for your dollar, get the "toy" variety:
For around 99 cents a yard (1/3 yard is equivalent to the little bag found at the pet store) you can buy this stuff in rope form. Dangle it from the ceiling, tie it to the cage walls, whatever. Now they have to dig it out in order to make a mess! Oh the fun! The "rope" stuff is called "batting" by the way and looks like this:
tip: When navigating through the RatTails,
clicking on the image that looks like the image above
will take you back to this table of contents!
Disclaimer: There are many non-sarcastic accounts and tips on the web regarding rat care. This is not
one of them. These are merely accounts of our experiences with rats, our perceptions of these experiences, where we've failed
and where we've succeeded. These accounts are here for two purposes: