The materiality of interaction - interaction design that moves beyond representation and metaphor to focus on the material manifestations of tangible interaction was explored in the context of tangible interface for intangible heritage. This article explores materialization of intangible heritage through tangible interactions. Some examples were designed for mixed reality exhibition “Archeology of memories and architecture of knowledge” which was shown at the Open days of science in Montenegro in October 2018. A new way of co-creation of knowledge was included, social sculptures, as long as audience was willing to augment themselves in narratives of intangible world heritage.