How to make paper clocks by hand

Hand-made paper clocks are as follows:

1. First prepare a large cardboard, draw a circle with compasses, and then cut it out with scissors.

2. Then cut out some circular pieces of paper with different colors, stick them on circular cardboard, and mark the numbers with a brush.

3. Then make a pointer with handmade paper, then cut out four black and white circles of different sizes as eyes, and then draw the mouth with neutral strokes, and it is finished.

The clock is a timing device and a precise instrument for measuring and indicating time. Clocks are usually distinguished by the size of the internal machine. According to international practice, clocks and watches with a movement diameter greater than 80 mm and a thickness greater than 30 mm; A pocket watch with a diameter of 37 ~ 50 mm and a thickness of 4 ~ 6 mm is called a pocket watch; Watches with a diameter less than 37 mm; A watch whose diameter does not exceed 20mm or whose movement area does not exceed 3 14m2 is called a women's watch.

The power of modern clocks and watches includes mechanical force and electricity. Mechanical clock is a kind of timer which uses the energy released by heavy hammer or spring as power to drive a series of gears to run, adjusts the speed of gear train with the help of escape governor, and indicates time and metering time with hands. Electronic clock is a kind of modern timer which is powered by electric energy, and LCD displays numbers and timely hands.