14. dets. 2018/EV3, Gümnaasium, II aste, III aste, Katsumused, Keskmine/haldaja https://le-www-live-s.legocdn.com/sc/media/lessons/mindstorms-ev3/building-instructions/model-expansion-set/ev3-model-expansion-set-znap-71b712c154ffb81ace8bf73384f2197c.pdf