14. Dec 2018/EV3, Gümnaasium, III aste, Katsumused/haldaja https://le-www-live-s.legocdn.com/sc/media/lessons/mindstorms-ev3/building-instructions/model-expansion-set/ev3-model-expansion-set-stair-climber-8f4d9f19b87fa2e37e28aebe2b24486b.pdf
English