Fun!
First of all, great graphics! Good concept and overall structure to the game. I think it merits some upgrades, such as perhaps a time limit to add to the sense of urgency. Also, the gift drop algorithm could use a little randomness. As it stands now, once you figure out how to position the sleigh, there isn't much of a challenge to it. Power-ups / power-downs could also add to the gameplay.
Keep it up!