Based on the importance of human behaviour analysis in HCI research, this paper discusses the property of interaction in sending/receiving direction with diverse cases. A unit of contextual bricks was created as research model continuing to discover the possible solution on the problem that how to merge the novel media and technology into our living space invisibly with the exhibition of appropriate information. The prototype of contextual bricks preserved the characteristic of stability with cellular hexagonal structure, and each unit was designed with communicable construction. The people could get the contextual information from other spaces as seeing through the walls. In the future study, the contextual bricks have good applied possibility and developments in each kind of areas.