I have put batteries into all of them to test and found that by putting the motors into different animals I could get some to work but none seem to work with their original motor. We had four of them running all around the kitchen. I'm not too familiar with them but in the right hands I'm sure you can get them all to work.

This lot of 9 Zhu Zhu Pets Hamsters includes a variety of colors and characters from the popular Cepia brand. Some of the hamsters are in good working condition, while others may need some attention and repair. Ideal for collectors or those looking to add to their Zhu Zhu Pets collection, these electronic and interactive toys are perfect for kids and adults alike. Each hamster is unique and comes with its own personality and features, making them a fun and engaging addition to any playtime experience.