This is an electric, rolling ring toy perfect for cats to play with. It automatically rolls around 360 degrees. Easily turns on and off with a switch. It has a safety feature that automatically stops after 10 minutes of continuous use. The random movements will attract your cat's curiosity and interest. - Product Name: Roll Ring Cat Teaser - Brand Name: D-SERIES - Size: 8.5cm diameter - Included: 1 replacement pom-pom - Material: ABS resin - Requires 2 AAA batteries My cat wasn't interested in it, so I'm offering it for sale. Thank you for your consideration.