1. Select 2 pieces of cardboard and draw a circle, one big and one small.

2. Poke a hole in the center of the two circles so that the two holes overlap.

3. Decorative circle. The large circle can be decorated as desired, while the small circle can be divided into equal parts or divided according to needs.

4. Take a straw, bend the retractable part, insert it into the hole, connect the two circles, and tape the bent part of the straw to the back of the large circle to fix it.

5. Use the remaining cardboard to make a handle of any shape, decorate it as you like, and then attach it to the back of the large circle.

6. Of course, you also need to draw an indicator arrow on the part where the big circle is more than the small circle. Finally, just write or paste the required content into equal parts.