These days, commercially available, fully or partially completed model aircraft are manufactured mainly from foamed plastics or various other plastics. Some manufacturers still supply models built from balsa and other types of wood and attractively covered with colourful films.

• To read more, download the full content of the latest CIAM Flyer edition in PDF format: CIAM Flyer (New Year's Eve Edition) - This is what model planes are made of
• Current and past issues of the CIAM Flyer can also be downloaded on the CIAM Flyer page