Skilled origamists will take on projects such as elaborate ships, buildings, people and objects involving concentration and logical thinking. When people reach this level in origami, often they begin to design their own compositions. Individuals in this category might be considered origami artists and have their work entered in competitions and showcased at art shows and in art galleries. It is still unknown whether it began in China or Japan. It is a known fact that the Japanese have developed advanced forms of artistic origami. This idea was quick to catch on spreading into Spain, South America, Germany and Britain. With time this creative activity also became popular in the west. Although origami is an activity enjoyed by thousands of people, it has a special place in the Japanese culture. Origami is a fascinating activity which involves folding paper in specific patterns and sequences to achieve a particular goal. However interesting it may be for some people doesn't mean origami is for you. This activity requires the individual to possess or work on certain skills. In order to take on any origami project you must be patient. There are other special papers which are made to be durable but flexible for thin, narrow pieces in projects. Since paper is the only material needed for origami, it is essential to have the right type for the intended composition. Because origami is time consuming and often includes tiny objects, it's important to have paper that can withstand the process. Well over the years many people have taken on the challenge of money origami projects. Using the same principles that apply to paper origami, individuals have learned how to make clever and unique objects using money origami. Some of the objects that have been successful created using money origami are a spider, a butterfly, a shirt, a sailboat, a ring, a serpent, a valentine, just to name a few. Thousands of people have made paper airplanes not knowing they were doing an origami project. In order to make a perfect paper airplane, it is essential to use exact folds in the paper. This is what the art of origami is about, making precise folds to create a specific object. In the early days when origami was initially discovered, it was used in Germany by kindergarten students.