"Teddy, you know what I was thinking? How do you tell what are real things from what aren't real things?"
The bear shuffled its alternatives. "Real things are good."
"I wonder if time is good. I don't think Mummy likes time very much. The other day, lots of days ago, she said that time went by her. Is time real, Teddy?"
Super-Toys Last All Summer Long (1969)