Warm Tip: （With detailed instructions, this set of teaching aids can improve children's scientific knowledge. Recently, we have discovered that some merchants are counterfeiting our products. Please be sure to recognize the Xing Laoshi trademark when purchasing!

The manual is detailed, containing experimental cognition, experimental key points, experimental steps, knowledge expansion, experimental reports, etc. It is suitable for students to use and training classes to train. It is a learning tool, toy, and integrated product. A good piece of science small production not only brings endless fun to children, but also improves their cognitive ability. (Children aged 4-12 can make it by themselves) to start the exploration of scientific enlightenment.

 If your child hasn't signed up for a technology training class yet, or if the training class fees are too high, then start a class at home for your child. A lesson costs only a few yuan, and it involves a small experiment, which is very practical. The equipment is the same as that used in training classes, and there are instruction manuals (which are generally easy for children to complete).

We will strive to make you satisfied! If you are not satisfied after purchase, you can contact customer service for a refund and return. If there are any problems with installation, our professional teachers will guide you. If there is a shortage of equipment, you can contact customer service to explain the situation and help you send it (the goods are sent after 3 times of inspection, and it is normal that there will be no shortage).