The Vintage 24pc lot Electronic Circuit Training modules by E&L Instruments are designed for breadboarding and learning purposes. This Set Includes A/C Adapter-charger 700-CA-1 and The Original Box. They provide a hands-on experience for individuals looking to enhance their understanding of electronic circuits and are ideal for educational or hobbyist use. With this product, users can experiment and build various circuit designs to improve their skills in electronics.This  is  Believe to be  Dated, Early 1980's