It is said that the competition population of Kendama is 10 million people in the world, spreading globally. Especially in the USA, there are many Kendama makers, professional teams and professional players. By playing DENDAMA, anybody can play with other people all over the world through the internet, so it is possible to monetize not only selling DENDAMA itself but also the application charge. DENDAMA is accompanied by gaming characteristics and further enhance entertainment. It is also an unprecedented service that elderly people and young people can play with the same toys and the same game over generations. Technically, it has superiority in that it is applying for patent in a sensing method that detects the position by a change in inductance, and an application interlocking mechanism.