When you say "pull up something", does it mean just "remove something" or "lift up something"? Also, does "baby brother" mean a toddler or even a child brother like 5-10 years old?
18) "Emma, we must move again," said Lily. "You need a window and I need a door! Let's make two rooms like this." The girls moved again. ~ One day, their baby brother pulled up the tape, but Lily and Emma didn't need the tape. Mom bought a new bed for the two girls.After everything, they were happy with the room.
We need more context to know what tape is being talked about. We also need more context before we can say what was meant by 'baby brother'.