The alarm clock is made by hand.

The specific steps of making an alarm clock by hand are as follows:

1. First, you can cut some old cartons at home for later use. If not, you can use cardboard instead.

2. Then draw a circle or square on the cardboard with a brush and cut it with scissors.

3. After cutting, find the midpoint of the circle or square and mark it.

4. Next, divide the surface into twelve parts roughly evenly and write the numbers.

5. Then cut out the hour hand and minute hand with the remaining cardboard. Be safe when using scissors.

6. Finally, fix the hour hand and minute hand on the dial with nails, and press the nail tail down to prevent hand injury, so that a manual alarm clock is completed.

An alarm clock is a kind of clock with an alarm device. It can not only indicate the time, but also send out sound signals or other signals according to people's predetermined time. The movement structure of alarm clock mainly includes mechanical and timely electronic. Other types, such as transistor hairspring and tuning fork, are rarely used. They are called desktop alarm clocks that are usually placed on the table and travel alarm clocks that are mainly used for travel.

There are many kinds of alarm clocks, mechanical and timely. Since people invented it by using the principle of pendulum, it has become an indispensable item in people's lives. In ancient China, there were sundials, water bells, fire bells, copper pots dripping water and so on, which can only be regarded as ancient timepieces. Without a clock that doesn't tick, it can't be called a clock