This 80-piece transistor assortment kit is perfect for electronics enthusiasts, hobbyists, and professionals. It includes 8 types of popular transistors—BC547, BC557, 2N2222A, 2N2907, 2N3904, 2N3906, S9012, and S9013, with 10 pieces of each type. Whether you're designing amplifiers, switches, or other general-purpose circuits, this kit provides a reliable and versatile selection to meet your needs. These transistors are packed in an organized and durable package for easy identification and usage.