1. Tools and materials for children to make clocks and watches by hand include scissors, pencils, erasers, colored pens, colored paper, glue, rulers, paper cups and sticks.

2. Then, draw the clock face. A circle is not easy to draw. You can draw a circle on the round colored paper with a pencil along the bottom of the paper cup.

3. Then, divide the circle into four parts with a ruler and write down the times with a black marker.

4. Then, continue to divide the circle into equal parts and write the middle time number with black colored pen. Use a green pen to add dots between numbers.

5. Then, take out the orange, pink and orange cardboard, and draw the hour hand, minute hand and second hand on the colored cardboard with a black colored pen according to the size of the clock face.