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