Experts and BHG readers answer.
Thanks for writing. We have a video on making steppingstones -- if you can find a mold for concrete in the shape of your animals, then you should be able to pretty easily make the stones yourself.
Here's the link to the video: http://www.bhg.com/bettertv/?cid=507869917&lid=627011329&tid=570322071
---Justin, Senior Garden Editor, BHG.com