I posted last year about Barkly the Banker mechanical dog piggy bank which is shown in the video above. This bank is now on sale at ThinkGeek.com under the name of Bailey The Mechanical Doggie Bank. The only difference I can detect is the name of the dog, the color of the base, and the $4 dollar savings.
Here's a still shot of the mechanical dog bank:
Here's the product page with all the details for Bailey The Mechanical Doggie Bank which is currently on sale for $12.99.