A user JessyGene on HubPages has made some wonderful tutorials on rat play things. Here are some links:
Free Range - Rat Cage Accessories - Homemade Things for Pet Rats
I also recommend going through their page and seeing other posts by them! You can get some great ideas here.
Free Range - Rat Cage Accessories - Homemade Things for Pet Rats
I also recommend going through their page and seeing other posts by them! You can get some great ideas here.