What makes you so sure that the act of making Christmas lights do that couldn't be done? It's no different than a lazer show at some planetarium or light shows at concerts. Sure it would take some time and effort, but I believe it could be done if one had the know-how.
“In that day you will say: “Give praise to the LORD, proclaim his name; make known among the nations what he has done, and proclaim that his name is exalted.” (Isaiah 12:4) (Read by Max McLean. Provided by The Listener's Audio Bible.)