Lighthouse Perpetual Calendar Plaster Casting LIGHTHOUSE FIGURINE : This adorable and attractive lighthouse figurine features realistic looking details in a 3D layout, and hosts a perpetual calendar, meaning that it never expires. EASY TO UPDATE CALENDAR : Just shift the blocks each day to reflect the current month and day no matter what the year. MATERIAL : Made from plaster casting. SIZE : 7 1/2" tall, 5" wide (Approximately). UNUSED BLOCKS : Unused month and number blocks tuck neatly away inside the hill beneath the lighthouse.