From Pedro Lopes on Hackster.io:
It has a ultrasonic sensor to detect people presence. When it detects people, it jiggles, makes a random scary sound, and flashes a RGB LED.
and see more on YouTube
Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories and all the code & tutorials to get you up and running in no time! // Read more: original article.
