1Easy Learning: The development board kit is perfect for beginners to learn basic knowledge and graphical programming skills, accompanied by other accessories for quick programming learning. 2Convenient Programming: The learning kit comes with for Mixly software to assist users in faster and easier programming learning, making it ideal for beginners of various levels. 3Hands On Experience: Users and beginners can quickly master electronic production and programming skills through practical operation, enhancing learning interest and effectiveness. 4Compact Design: The graphical programming board kit is designed delicately, suitable for DIY enthusiasts and students, making it an ideal choice for learning electronic knowledge. 5Versatile and Reliable: With reliable performance and powerful functions, the board is suitable for use at home, school, or workplace, helping users improve their skills through practice. 1 x Mainboard 1 x Expansion Board 1 x Green Light Module 1 x Yellow Light Module 1 x Red Light Module 1 x Square Hole Data Cable 1 x Yellow Key Cap 1 x Red Key Cap 2 x Button Module 1 x Passive Buzzer Module 1 x Sound Module 7 x 3P Jumping Wire 1 x Plastic Box