Great as a desk toy.  Actually picks up small particles and collects in dust bin although not super effectively (just as a novelty).  Tapping the head causes robot vacuum cat to "meow", stop and pivot.

Video of item working is here....

https://youtube.com/shorts/A2Cjav2IiME?si=t3LqtNLgC4YMkfDq

Detects walls and turns around as well.