Natalie got a doll wagon from her Grandma for (you guessed it) her birthday:
Natalie put the doll in the wagon, and then she went around all over the house introducing the baby to it's new home. She kept taking small, imaginary objects and putting in the wagon, all the while talking to the "baby". She even took something from the bathroom door. I wonder what that was...
Then, she found out that she could also take real objects, not only the imaginary ones, and cart them around in the wagon:
That sure was a very useful gift! Soon, she had moved all her toys to a new area, all of them getting a ride in the new wagon: