He brought them clementines, nuts (they're tucked back in behind the clementines), and an mini-automoblox car. They loved their cars, and began taking them apart and putting them back together in all sorts of ways. Here is the longest one they made:
Grant took his into the school room and thought it was pretty neat how his math dice fit perfectly into the back. He called it the "math truck".
Here is a video of Grant playing Jolly Old Saint Nicholas on his penny whistle.
Johanna was feeling a little left out and also wanted to be able to watch herself "on my phone", so here is a video of her singing Rudolph the Red Nosed Reindeer: