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