![Using approach latency and anticipatory behaviour to assess whether voluntary playpen access is rewarding to laboratory mice | Scientific Reports Using approach latency and anticipatory behaviour to assess whether voluntary playpen access is rewarding to laboratory mice | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-021-98356-3/MediaObjects/41598_2021_98356_Fig1_HTML.jpg)
Using approach latency and anticipatory behaviour to assess whether voluntary playpen access is rewarding to laboratory mice | Scientific Reports
![Environmental enrichment | Research Involving Animals – Division of Biomedical Services | University of Leicester Environmental enrichment | Research Involving Animals – Division of Biomedical Services | University of Leicester](https://le.ac.uk/-/media/uol/images/research-support/dbs/rat-play-pen-846.jpg?h=474&w=846&hash=90C36A9F5D8D3BB092A781540AD44F10)
Environmental enrichment | Research Involving Animals – Division of Biomedical Services | University of Leicester
![NEW FREE ROAM AREA // Transforming a Songmics Cabinet into a Play-Pen for my Rats | DIY Pets & Life - YouTube NEW FREE ROAM AREA // Transforming a Songmics Cabinet into a Play-Pen for my Rats | DIY Pets & Life - YouTube](https://i.ytimg.com/vi/zcWyRy8BSec/maxresdefault.jpg)
NEW FREE ROAM AREA // Transforming a Songmics Cabinet into a Play-Pen for my Rats | DIY Pets & Life - YouTube
![Rat owners, do you have any suggestions for large playpens that are easily stored and cleaned? My girls can't free roam since my partner is allergic, but I'd love to give them Rat owners, do you have any suggestions for large playpens that are easily stored and cleaned? My girls can't free roam since my partner is allergic, but I'd love to give them](https://i.redd.it/tpn5ktkynqr31.jpg)
Rat owners, do you have any suggestions for large playpens that are easily stored and cleaned? My girls can't free roam since my partner is allergic, but I'd love to give them
![Playpen for the boys!!! I used plastic storage cubes which are a great idea for anyone looking for a good playpen material! It's a little bit sparse since I just set it Playpen for the boys!!! I used plastic storage cubes which are a great idea for anyone looking for a good playpen material! It's a little bit sparse since I just set it](https://preview.redd.it/s8rfxyijlv741.jpg?auto=webp&s=02576a5cbbbc5da780f8d306c6dc3256c8395f3d)