Description This soldering practice kit features a multivibrator flashing light setup, making it an engaging electronic DIY project. The LED bistable training set is designed to help users enhance their soldering skills while creating a fun and functional electronic device. Ideal for beginners and hobbyists, it offers a hands-on learning experience in electronics. Features -Color:Green -Material:PC - Size: 3.50X2.50X0.20cm/1.38X0.98X0.08in -Fine learning: experience the joy of soldering practice through electronic diy projects, enhancing your skills and technical knowledge -Versatile oscillation modes: builtin multiple oscillation modes produce various interesting sounds and light effects, making your creations more dynamic and engaging -Flashing light module: equipped with a flashing light module to create eyecatching light effects, adding visual appeal to your projects -Led bistable circuit: learn the principles of led bistable circuits, mastering practical application techniques to elevate your electronics crafting skills -Wide application: ideal for school teaching, scientific experiments, and personal hobbies, catering to diverse needs and interestsPackage list: 2 x sets of soldering kits