Here is a cool Android Things robotic flower that reacts to your facial expressions. It can open up its petals and change its color to interact with you. Expression Flower is based on a Raspberry Pi and comes with a camera mounted in its center. It uses machine learning to identify facial expressions.
To complete this project, you are going to need a Raspberry Pi 3 Model B, 1m 144 LED strip, power splitter, 5V power supply, and other standard components to complete this project.