While your children look to the sky for a certain sleigh and eight tiny reindeer, you can point out the Christmas star.
You may impress them as if you were one of the three wise men by pointing above the horizon around the east-southeast.
According to
SkyandTelescope.com, Sirius is the brightest star in the Christmas Eve sky. Look for the constellation Orion because the hunter's belt points down to Sirius.