Abstract
We feel the possibility of the sketch as one of the techniques for a variety of people working on the design in cooperation. So, We have developed Kurukuru-sketch to evolving an idea by stacking many people's wisdom in multilayered while utilizing the cooperation and creativity. In this report, We tried to clarify the good points and the problems of Kurukuru-sketch as a design activity method that can utilize diverse ideas based on the questionnaire result of the participant who generated idea using Kurukuru-sketch at participatory design workshop.