👉 Eyedropper is a type of mechanical tool used for drawing and painting on paper. It consists of a barrel with a nozzle, which is used to draw or paint on the paper. The barrel is shaped like a cylinder, and the nozzle is attached to one end of the barrel. The barrel and nozzle are connected by a spring-loaded mechanism that allows the tool to move in both directions. The eyedropper can be made from various materials such as metal, plastic, or wood.