Now China attaches great importance to labor education, and the primary school has opened the course of labor education. In addition to mastering the learning content, learning scientific and cultural knowledge, children's mastery of labor education must also be taken seriously. Children have to learn to go into the kitchen and finish cooking under the instruction of parents, and need to shoot video. This is the exercise and training of children's labor ability, and it is the part that the future education will pay special attention to. So for children, cooking is not an easy thing. An sand clock can help them better control their time and master the secrets of good cooking. Also, a mini hour glasses with sand can be very convenient to place and start the timer so that the child can focus on cooking. Therefore, the sand timer is of great help to children's labor education, which can make them better exercise their labor ability.