Brighten your lawn with this 20-foot inflatable “Merry Christmas” sign! Its synchronized LED light show animates each letter, creating a bold, festive display visible across the neighborhood. Light up your lawn with holiday cheer! This extra-large 20-foot inflatable “Merry Christmas” sign features a synchronized LED light show that brings each letter to life, creating a bold and festive display that’s visible from across the neighborhood. Synchronized LED Light Show - Each letter lights up in sequence, then flashes together for a show-stopping effect. | World Trade | | 20' MERRY CHRISTMAS Running Light Show | Red | Best Buy