Ordinary raincoats, when worn, the hem always sticks to the trouser legs, and rainwater will flow to the trouser legs and rain boots, which is probably the reason why people don't like to use raincoats. Inflatable raincoat Add an inflatable plastic pipe with proper thickness to the hem of ordinary raincoat. When using the raincoat, the hem of the raincoat is propped up by blowing air in the pipeline to prevent the trouser legs and rain boots from getting wet.
2. Smart flowerpots
We can only observe whether plants lack water, whether they lack sunlight and whether the indoor environment is suitable for survival.
3, magic shoes.
The shoe mop is bigger than the shoes you usually wear, which is convenient for putting shoes.
Small-scale scientific and technological production is characterized by high scientific and technological content, simple structure, easy to find and process materials, low cost and independent completion. It is especially suitable for students and can cultivate their creativity, thinking ability and practical ability.
According to the different thinking modes of small-scale scientific and technological production, the types of small-scale scientific and technological production can be divided into imitation and creation.
Imitation means that this kind of small production is mainly formed by imitating others. Because children are still young, this is ok. Most children's small technology production starts with imitation. From the beginning of imitation, you gradually become interested, and you can create your own.
Creative type refers to the creation mainly by children themselves. Like building your own car or something. There are different levels of creation. Generally speaking, children's scientific and technological production is primary, and we can't ask too much.