Cleaning your teeth for 2 mins

I created a circuit that utilizes a LM555 and an 4017 that will tell the user when to start brushing a different area. Each led will be on for 30 secs. Parts List: (2)104 Capacitor 10uF Capacitor 2M Pot (2)1k Resistor 4.7k Resistor LM555 4017 (4) Led’s SPST Switch Minimum 5v power supply