Telegraph, is used to send and receive telegraph equipment, American painter Morse in 1835 after three years of study, the success of the first telegraph, the Morse with current tong break and length to replace the human words to transfer, which is famous of Morse code (also called Morse code, Morse code).
Today, with the development of science and technology, ancient Morse code is still in use. When navigating at sea or getting lost outdoors, and communication equipment fails, Morse code light is used to send a distress signal to the distance, which is the best wireless long-distance communication mode.
Cultivating children's interest in learning and desire for knowledge can help improve their academic performance.
Scientific knowledge in small production can lay a foundation for future inventions, mathematical and physical learning.
Improve children's sense of innovation and ability, let children win in the starting line, on the social more competitive.
Nowadays, children generally lack practical ability and strengthen the cultivation of practical ability, so that knowledge is no longer an issue.
High quality plastic parts, specially designed for scientific experiments, multi-functional, expandable, material safety and environmental protection odor-free.
High quality natural wood is used as the main structural material of the model.Environmental protection, close to nature, safe and non-toxic, children can freely paint color creation.
Using quality electronic components and accessories, stable performance, safety and reliability.
Powered by 4 AA batteries (battery not include)