christmas has started now oh yeah >> reporter: holographic santas, mrs. claus in high definition, trampolines turned into projection screens. >> we have to get our cars in at christmas time. we elevated it seven feet in the air. so the display becomes a 25-foot screen. christmas like a tongue of fire. keep in mind this is a florida winter. 70-degree heat. 45% humidity. but even here, a 100% chance of a white christmas. >> it's a swarm. whenever that machine goes off, there's a swarm from all around. >> adults too. they'll come from across the street, wanting to get in the snow. >> reporter: celebration is one of three different neighborhoods being featured monday on abc's third annual christmas lights reality show. >> of course we think we have the best one. >> i think everybody thinks they have the best one. >> that's true. >> reporter: three neighborhoods competing for $50,000 in prize money. in addition to celebration, there's also weipahu, hawaii. >> we know we have the best in the nation. >> reporter: and gilbert, arizona. >> that is crazy! >> report