This electronic DIY kit is great for anyone interested in learning soldering and electronics. The multivibrator flashing light circuit provides a hands- to understanding electronic components and their functions. The LED bistable training set is an excellent tool for enhancing soldering skills and gaining practical knowledge in electronics. Features -Color:Green -Material:PC -Size:2.70X2.30X0.20cm/1.06X0.90X0.08in -Fine practice: enjoy the process of soldering through electronic diy projects, developing your practical skills and technical knowledge -Exciting oscillation modes: experience multiple oscillation modes that generate a variety of sounds and , making your projects more engaging -Flashing : utilize the flashing light module to create captivating light displays, adding a visual dimension to your creations -Led circuit learning: master the principles of led bistable circuits, improving your understanding and application of -Broad applicability: ideal for use in schools, scientific labs, and personal projects, fulfilling diverse hobbyist needs Package list: 2 x sets of soldering kits