Cut coffee filter in half, then cut out the centre. Decorate fan with textas. Turn coffee filter over, glue on your craft sticks in order from one side to the other. Glue them onto the coffee filter and on top of each other in the centre of your fan.
If you don’t have coffee filters you could use white A4 paper & cut into a rainbow shape.
Instructions can be found here:
You can also print & decorate these Japanese fans: