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Since 1977, the modular radio designer "Electronic Cubes" (MRK-2) has been producing the Leningrad Experimental Plant at the Research Institute "Electrostandart".
The modular radio designer "Electronic Cubes" (MRK-2) is designed to enhance the knowledge and practical skills of middle and older schoolchildren in the field of radio electronics "Electronic Cubes" can also be an entertaining toy for children of primary school age.
A radio designer will also be useful for beginner hams.
With its help, without the use of soldering, tools and additional wires, various electronic devices can be assembled.
The manual that came with your radio contains 40 electronic circuits.
The power source for the circuits is a Crohn battery.