You must glue the frame parts (marked with an asterisk *) onto 1mm or 1.5mm thick cardboard.
Could you clarify the (e.g., is it a tank, ship, or plane)? Knowing the issue number (often formatted as "Nr. X/YYYY") would also help me provide a much more detailed breakdown of that specific kit. Modelik | CardKit, Москва
While many of these issues are out of print, they are often available through specialty retailers and community archives:
Modelik magazine, a publication that primarily focused on model kits and scale modeling, also occasionally featured unique modelers who created their own models. Between 2004 and 2012, the magazine showcased a variety of modelers who produced innovative and often unconventional models. These modelers, though not always well-known in mainstream media, developed a dedicated following within the modeling community. Their work inspired many others to experiment with model-making, pushing the boundaries of what was considered "mainstream" in the world of modeling.