Although the finished products are elaborate and obviously a challenge for the inexperienced person, the art of origami often uses two basic folds - the origami bird base and the origami square base. Learning how to do this activity will likely incorporate these two basic folds in most projects. As an individual advances in the art of origami, these basic folds will frequently be required for many projects. Many people's interest in folding paper stops at the paper airplane. However for many other people, origami is quite fascinating. These people take their interest to more advanced origami projects. Origami falls in the category or art. Of course it's common knowledge that art is a way for a person to express themselves. If the child tries it for awhile and decides they don't like it, there is no big concern about the initial investment for materials. To get a child started with origami, using plain computer paper would be a good idea. Until you are certain it is something they'd like to continue, perhaps you should stick with using inexpensive paper. Some origamists saw the base as a set of areas each independent of the other differing only in their length and arrangement. With this in mind they went on to develop computer programs that are capable of doing all the math necessary to generate crease patterns for any base from a given length and area arrangement. Actually folding paper is not difficult but depending on the level of origami, completing an entire project can be tough. Origami is an activity that can be learned if the individual is interested. There are books printed with details and instructions for hundreds of origami projects. These projects range from very basic to complex. Psychologists and physicians use origami as a therapeutic tool. It has proven to be successful in the treatment of mental health patients. It helps the patients to become more relaxed in their environment and with their doctor. Besides filling many lonely hours in the hospital, origami teaches patients to get along with and help one another.