1、Morse Code Coin: This coin combines the mystery and uniqueness of Morse Code, making it easy for you to learn the encryption language while playing. It is a great entertainment and educational tool. 2、Guessing Game: Use this CW Morse code encryption language coin to make learning more interesting. You can play guessing games with friends and family to decipher concealed information. 3、Compact and Lightweight: The Morse code coin has a size of 30x30mm and a thickness of 3mm. It is compact and lightweight, ensuring practicality and convenience, and has a wide range of applications. 4、Galvanized Copper: This Morse code coin is made of galvanized copper material, ensuring better erosion and oxidation resistance, no deformation, and suitable for various environments. 5、Versatile Use: This CW Morse code training coin is perfect for encryption language enthusiasts or amateur radio beginners, or as a unique tool for kids exploration and education.