Sorry, this page is not translated yet. Automatic translation used.
The electric constructor No. 3, "Children's Collapsible Telegraph and Telephone," has been produced since 1955 by the Moscow Fizelektropribor plant.
The electric constructor is intended for the assembly of telegraph and telephone devices, through which it is possible to establish two-way communication at a distance of up to 100 meters.
The electric designer was produced by the plant for more than 15 years.