Another circuit with famous 555 chip. I decided to make a toy robot with blinking eyes. It is easy and fun to make. This project is great soldering practice. Parts : 555 timer chip, 10UF capacitor, 47K resistor, 100K resistor, 100 ohm resistor for LEDs, two red LED, CR2032 battery, battery holder,() easy to find on old motherboards), switch. All other parts are just decorations.