How to do it
Moist the wooden border with water. Put Color-line in the pipette.
Drip down on to the wet border. If it dries up, you can moist it again.
Drip with a new colour.
You can drag the colour out with a brush. Drip again.
Draw with a black marker - use your imagination.
Use the same procedure for the clock face.
Glue the ring to the clock face.
Put on numbers and mount the clockwork. Read the instructions.