There is no better way to learn robotics and electronics than building your own smart robots and wearables. This Soft Robotic Mask project by AdiM33 shows you how to build a wearable device that reacts to your facial expressions. You will need to do 3D scanning to complete the mask.
Programming an Arduino Uno board to read muscle sensors and water pumps is also required. You can use MyoWare Muscle Sensors for this project.