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A toy-radio constructor "Start 7252" (Intercom) from I quarter of 1990 produced the Rivne plant named after the 60th anniversary of the October Revolution. The radio constructor "Start 7252" is intended for technical creativity of schoolchildren from 14 years old and older. It is a set of radio elements and parts for assembling an intercom, designed to transmit and receive audio information. Specifications: The radio constructor is designed for use in normal climatic conditions. The power of each of the intercom consoles assembled from a radio designer is one element of type A-343 with a voltage of 1.45 V. The dimensions of each intercom are 155x85x70 mm. Weight without battery 0.8 kg.