Emg said:You could always let her pick out a pretty little betta for that tank. They come in lots of colors and she might just like finding one in her favorite color. You could coordinate the color of the gravel and put some nice silk plants in there...could set it up real nice for her and 3 gallons is not too small for a betta. Could even add an african dwarf frog or two to keep him company. Just make sure you don't pick up any clawed frogs...they get huge and would eventually eat the betta.
A beta and frog is a great idea for a small tank, but the frogs can be difficult to feed for a beginner. I had a problem getting mine to eat anything but live black worms which can be hard to find. How about a snail and a beta instead?
N.