Sell Educational toys DIY hand-assembled telegraph machine, science and technology education best price

Product name: DIY telegraph Material: environmentally friendly wood, electronic accessories (4 AA dry batteries are required, please bring your own dry batteries) Suitable age: 6 years old and above Function: Exercise children's hands-on ability, understand basic communication knowledge and learn to use international codes notes: 1. Due to many factors such as display brightness and light brightness, the actual color of this product may be slightly different from the pictures displayed on the website. 2. As each person's production method is different, please refer to the finished product size, the size in the figure is for reference only. 3. This list only applies to the items listed above and does not include other attachments (if any). 4. Due to logistics restrictions, this product does not have a battery, please bring your own, please understand.