AMAMuG – an acronym for Archäologische Mustergrabung and Archäologisches Museum für Gegenwart (archeological sample excavation and archeological museum for the present) - was an interdisciplinary and cross-institutional development project that took place from April 1st, 2018 to August 1st, 2019. The authors of this essay, a specialist in didactics in the field of nature, man, society (NMG) and a specialist in didactics of art and design (BG), both lecturers at the Pädagogische Hochschule Graubünden (PHGR), led the project. Together they developed and implemented a project-like teaching sequence for Cycle 2 (5th Primary School Class) in cooperation with the Archaeological Service of the Canton of Graubünden (ADGR), the Department of Education at the Rhaetian Museum and two primary school classes. The students, aided by an excavation box, learn about the instruments of archaeological practice in order to understand how the history of the surrounding area can be reconstructed and deconstructed. The objects on display in the Archaeological Museum for Contemporary Art (AMuG) relate to the world in which children live. Creative interventions, intended to accelerate the aging, or rather fossilization, of the collected objects, form the starting point for the historicization and museumization of objects from the everyday lives of children. With this interdisciplinary research project, the authors investigate whether and to what extent primary school children, by reconstructing historical contexts (facts) and reconstructing plausible scenarios (fakes), are able to achieve a critical and thus emancipated power of judgement towards established or alternative information, in the sense of gaining the capacity for deconstruction. Finally the contribution investigates, in the form of a dispute between the historian and the art pedagogue, what kind of increase in competence the interdisciplinary approach of the AMAMuG project can generate for the school subjects being considered.