Add to ORKGInteraction experiences with public art installations are becoming ubiquitous recently, however, interaction is usually unidirectional and the actual experience not very rich. This work reports on an interactive public art installation aiming at increasing the level of social connectedness among visitors, and the results of evaluating the attractiveness of the installation. By connecting visitors and computers physiologically, the installation has clear impact on social interaction and it also shows the attractiveness to people from aspects such as creativity, novelty, inviting and motivating. In this work we also found that the AttrakDiff instrument to be useful and convenient in evaluating the attractiveness of public art installations