Abstract
World population explosion is happening in the world today. The country which has many children, people don't afford to take care of children. Therefore, the children who are not supervised become a dangerous condition. The purpose of this study is keep children from dangerous, even if people cannot take care of them. In this paper, we developed the product in following procedure. 1. determining the products overview. 2. interpretation of customer needs. 3. create and decide of the product concept. 4. make the scenario of product. 5. making a prototype and testing of it. In the testing of the prototype and testing of it. In the testing of the prototype, we could confirm that this product can keep children from dangerous place. This result means that this product has a potential of helping children's care.
