If you've already out-illuminated and out-decorated all your neighbors for the holidays, seal the deal of being that overly festive one by scattering these Giant Outdoor Lighted Ornaments all across your lawn.
Most families in Germany own a "Christmas pyramid" from the Erzgebirge. You light the candles, and the interior part with the figures begins to move. Then the whole family sings Christmas songs. Nice preparation for Christmas all through Advent!