Somogyi, A., Kelemen, A., Mingesz, R. and Mellár, J. 2020. Investigation of the Rotational Motion of the Fidget Spinner by Means of Technical Informatics. Central-European Journal of New Technologies in Research, Education and Practice. 3, 1 (Dec. 2020), 23–39. DOI:https://doi.org/10.36427/CEJNTREP.3.1.515.