Christmas Questions

Another great Christmas! This year our little precious seven and five-year-old kids attempted to put their own toys together. They actually did a great job too! They had a lot of questions too!
After opening one of his requested items, the little five-year-old, puzzled, asked,
"How did Santa know I wanted this Pixos?"
"Don't worry about it. You got it didn't you?" I kindly asked. "Besides... you put it on your list."
"Actually he didn't mama. When we were sitting in your room and the commercial came on, we told YOU that we wanted the Pixos," his seven-year-old, technically correct sister chimed in.
Dude tried to muffle his laugh.
"Well I told Santa then!" I replied.
"You talked to Santa?"
By this time my parents and Dude were looking at us as if they were watching a tennis match.
"JUST OPEN YOUR GIFTS!" I KINDLY suggested.
It was finally time to clean up some of the clutter and help them put things together.
"Here are the batteries for your things," I told them.
The puzzled look returned.
"Uh... how did you know what batteries to get us?"
"Don't worry about it! We just happen to have these batteries!"
All these questions- I just think we need to tell them the truth. Santa gets too much credit anyway.