Геркулес / Hercules / Gymnastic wall transforming into a tribune

Materials: Profile pipes 40x40 mm. Profile pipe 40x25 mm. Profile pipe 25x25 mm. Pipe with a diameter of 27 mm. Pipe with a diameter of 60 mm. (thick-walled) Bar with a diameter of 25 mm. Bar with a diameter of 20 mm. Sheet 5 mm. Aluminum sheet with knurling. Plywood moisture resistant 10 mm. Gas springs