Electric constructor # 1 (Entertaining experiments on electricity and magnetism).
Radio and electrical constructors, sets.Multifunctional devicesElectrokonstruktor No. 1 (Entertaining experiments on electricity and magnetism) was produced presumably since 1950 by the Moscow plant "Fizelektropribor". During the release, and this is more than 15 years, the design of the packaging box, instructions, components has changed to more modern ones.
