Fascinating technology, scale helicopters shot in flight by B. Selig, a photographer and RC pilot, too. This scale models are looking like the real helicopters. With 13 awesome pictures, a must have for all RC pilots and people interested in aircrafts. Calvendo calendars are premium products - a bit more pricey than others but with added benefits: Our calendars always look beautiful on your wall because we produce them locally with premium paper and sophisticated spiral binding, ensuring easy turning of pages and flat hanging against the wall. A protective transparent plastic cover sheet provides added stability. Treat yourself to a Calvendo calendar and you get something that looks better all year round.