There are lots of ways to do this! You make walls out of books or pieces of cardboard, but this is how mine is:
Might be confusing, but I'll be sure to post pics when i get them!
You'll need 4 very long pieces of cardboard, make sure they are tall enough so that Bibi can't climb over the sides of them. Also, leave about... 4 inches at the end. (So a bit taller than Bibi + 4 inches)
Hm... This will be hard to explain. Heh. I'm going to upload a picture, so hold tight!!
EDIT: Aha! I found some pictures: If you don't understand after these, let me know and I will attempt explaining how to make it! :3
How it should look:
^^ And that's my portable hamster playpen! good luck!
Edited by lilham, 10 March 2010 - 08:57 AM.