We keep Magna Doodles in the car. Henry's gets tucked into the driver's side back seat pocket, and Harper's gets tucked into the passenger's side back seat pocket. Henry can reach his from his booster, but Harper can't reach hers from her carseat. If she wants to doodle, I reach around and hand it to her.
We were on the way home from school yesterday and Henry had just gotten started doodling when I overheard this conversation between them:
Harper: I want my Magna Doodle.
Henry: Harper, I think you're old enough to reach your Magna Doodle.
Harper: No, I'm not. I have short arms. I'm just three still.
Henry: Oh, brother.