NTK Composite

Brand: НТК (Научно Технический Кооператив)
(NTK Scientific and Technical Cooperative)
Model: Композит (Composite)
Country of origin: Russia (Санкт-Петербýрг/St. Petersburg)
First year of production: 1993

Dimensions: 255 × 152 × 27-40 mm (feet adds 4.5 mm)
Weight: 891 g

 This is a modified version of the then popular “Leningrad 2” design, both the case and the motherboard. The PCB included a breadboard for potential additional functionality.