Compléter The components of MartyVersion en ligne This activity will evaluate your understanding of Marty's components and what they do. par Paul Nicholson 1 character Form Humanoid personality is Marty's and ! 2 walk turn sidestep wiggle ball a dance kick The unique walking mechanism allows Marty to , , , , , and . 3 arms legs eyes The nine metal - geared position sensors are smart servo motors in the , , and . 4 infrared color screenless foot The sensors are and sensors for coding . 5 range eyebrows expressed Marty's move , giving him a of emotions . 6 plastic classroom moulded quality robust parts ready Marty has that make him - , , and built to last . 7 acceleration sensors tilt The and are in Marty's head . 8 play rechargeable 2 hours battery 3 Marty runs off a that allows him to for - when fully charged . 9 play speaker talk sounds Marty uses a to and .