Rebekah gets excited about a lot of things. But she does not get as thrilled about many things as much as she does at the mention of playgrounds. One easy way to get distract her during her whining moments in the car is to tell her to look for playgrounds. She will find them.
She likes a lot of things on the playground, but swings just make her smile.
Especially when you oblige her repeated wishes to go "Higher!"