Features: Designed specifically for beginners, this Robot LED Electronics Beginner Learning Welding Fun set offer quality components and an intuitively design to easily learn soldering electronic components, making it a perfect beginner welding set for hands on education. Featuring replaceable button switches, spacious solder pad on the PCB for simple assembly, and a compact size of 5x5cm with battery power, this electronics set includes all necessary part for versatile use. Ideal for students, electronic novices, and enthusiasts seeking to improve their practical skills, this set caters to learners who want a fun and educational introduction to electronics projects. Suitable for various scenarios such as welding skill training, home projects, creative decorations with hanging holes, and e sports activities, this beginner welding set provides a practical and engaging experience. As a creative gift option, this fun and educational electronics set sparks imagination while building confidence in electronics assembly Specifications: Component: PCB Size: Approx.5x5cm/1.96x1.96inch Power:2032 button battery Includes:2pcs yellow keys switches, 2pcs 3mm blue LED lights, 2pcs 5mm red LED lights, 1pc 2032 button battery holder,1pc 2032 battery, 4pcs 100R resistors, Package Includes: 1set LED Light Emitting Tube Module 1pc 2032 button battery note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.