..or what to do with Lego on a rainy weekend to amuse the kids.
Lego Santa Claus, Reindeer and Sleigh
Here's a nifty Santa Claus, reindeer and sleigh made from Lego I found on YouTube. The Sleigh contains a power unit that powers the reindeer via a power transmission axle. The legs of the reindeer are motorized via a worm screw. Most ingenious and compact engineering.