Even though collaborative aspects are central in most argumentations for tangible interaction, tangibles that are explicitly designed for such settings may not naturally fit within the standard discourse of this specific area. A theoretical focus has instead concerned either individual sensory experiences, or the technical sides of devices, often based on a paradigm of information processing. Neither of these perspectives takes into account offline aspects of interaction, which is essential when studying how tangibles are actually used in collaborative settings, as well as when tying back to the core arguments for why the resources have been given a physical form in the first place.