“…In this respect, the LEGO technology has a leading position, thanks to its low-cost and simplicity (e.g., see Gawthrop and McGookin [2004], Fradkov and Albertos [2009]). Originally designed as an educational toy for children, by now LEGO Mindstorms kits have been used to build a variety of experimental setups falling in very different areas ranging from signal processing (Heck et al [2004]), to mechatronics (Valera et al [2009]), cyber-physical laboratories (Filippov and Fradkov [2009]), to name just a few.…”