![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
![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
![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)
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
![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
![Amazon.com: PINVNBY Pet Playpen Small Animals Portable Resin Playpens Fence Cage Yard Outdoor & Indoor for Small Rabbit Cat Puppy Guinea Pig Bunny Hedgehogs Rats(12 Panels/13.8 X 17.7 inches) : Pet Supplies Amazon.com: PINVNBY Pet Playpen Small Animals Portable Resin Playpens Fence Cage Yard Outdoor & Indoor for Small Rabbit Cat Puppy Guinea Pig Bunny Hedgehogs Rats(12 Panels/13.8 X 17.7 inches) : Pet Supplies](https://m.media-amazon.com/images/I/61rRCWwfEFL.jpg)