The design, which is based on two cases and two covers broken mechanical stopwatches. The remaining parts are made of sheet brass, 1-2 mm., Brass rod with a diameter of 6-8 mm., Brass wire of 2-3 mm. and tubes of two telescopic antennas. In addition, using four standard screws and two springs.
The processing is performed using hand-held power tools, without the use of machine tools. Permanent connection of parts made with silver solder, using gas torch.