Research into thinking-support tools is commonly focused on how to develop and share ideas between participants or with others. In this paper, we propose and develop a communication system that stimulates the thought processes and inspires the creative ideas of participants by using a visual "" prompt within the framework of a communication pallet. Experiments have been conducted into methods of stimulating the thought process and inspiring ideas during conversation and the results have been analyzed. From the results, a tendency towards inspiring creative ideas by participants has been observed.