First, the method of hydroponics of green radish is very simple, but it is particularly easy to survive, which is very suitable for children to practice their hands. Insert healthy branches into clean tap water and bask in the sun every day. After three days to a week, you can see a small white spot at the bottom, indicating that it is taking root. In the process of cultivation, children can be taught its growth principle, which is very helpful for children to know this plant.

Second, small aloe vera is also suitable for children to raise, and the raising method is also very simple. Plant its roots in the soil, water them once every two days and fertilize them once a month to survive. Whether hydroponics or soil culture, the survival rate is very high. Its leaves are fat and big, with strong regenerative ability, and children can draw on them, which is of great benefit to expanding children's thinking space.

Third, the success rate of hydroponics of Fu Guizhu bamboo is very high, and children can also raise it. Its branches are like bamboo, one section at a time. Children can use their imagination to make it into decorations, and they can also be used to do arithmetic, which can cultivate their logical thinking ability.

Fourth, copper money grass has a strong vitality. If it is hydroponics, you can also raise a few small goldfish in the water, so that children can observe how plants and animals coexist, which can help them understand nature in advance and exercise their sense of life.