Could I use these in a hamster cage?
1) These say they are "Made from 100% fish-safe materials " ...
Blue Ribbon Cave Complex Aquarium Ornament - Large on Sale
2)
Decorative Aquarium Stones Riverbed on Sale | Free UK Delivery
3) This says it is made of resin, which I think someone said was ok to use?
ProRep Reptile Ridge Small 22x11x9.5cm
I'm looking for a few "natural" items, so if anyone knows of any others that would be great!