Due to all information being passed on orally, only the simplest designs were passed on. Around the year1797 the first written instructions appeared. The publication they were in was called the Senbazuru Orikata (Thousand Crane Folding). It was followed nearly 50 years later with an encyclopedia that contained a full collection of these figures. Origami is a learning experience that incorporates communication skills and problem solving skills. It's also a great activity to promote goal setting. Finishing an origami project takes time but the results are beautiful and fulfilling. Seeing the outcome of the project in a picture and working toward it provides an individual with a goal. Here is a place, a competition, where people showcase origami that expresses individuality. This is an opportunity to compare their work with other artists. It's also a great place to get new ideas that can later be used to create individual pieces. Art galleries frequently display origami work. Again, this is another good source for new ideas and techniques. When the object dries, it is sturdy. There are special papers made for origami. This paper is often called kami, which is the Japanese word for paper. Kami can be bought in various sizes from 2.5cm to 35cm and more. These square pieces of origami paper generally are prepackaged. Origami paper usually weighs less than copy paper allowing it to be used for all sorts of 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. How deeply involved in origami as a hobby an individual would like to become depends totally on their interest. Origami as a hobby can be time-consuming if a person gets into the advanced forms of the art. Origami can begin as a hobby but turn into an obsession. Some people get so involved in their projects and developing their origami skills.