The saucers are what you want to get. You knock a small hole out of the side and sit it upside down. Makes a perfect hide The pots themselves are too tall to give any sort of sense of security, so really, I'd go with the saucers. You can fit two of them(the 4-5" ones) and a water bowl, as well as some newspaper balls, inside that tub.

www.proexotics.com has a good tutorial on how to make those clay saucer hides. All you do though is hold it so it makes a bowl upwards, but hold it on one of the edges and point it downward. Then take a hammer and knock out a small semi-circle on one edge of the saucer. You can smooth out the edges with some sandpaper.

The plastic saucers work fine too, but I figured she would appreciate the weight the clay saucers provide.

Lemme find a picture!

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