Thora's car

Grandma Thora's car is a green car that is owned by Grandma Thora. It is seen in "Lost!," when Arthur imagines her coming to pick him up from Manny's Diner. Grandma Thora never actually comes in her car to pick him up. The siren that Arthur imagines isn't really part of the car. It also been used in Arthur vs. the Very Mean Crossing Guard to take Arthur and Brain home from school. It was red in one episode.