Byers' Choice Christmas House Advent Calendar The Countdown Advent Calendar is thoughtfully designed with 24 numbered doors behind which small surprises can be hidden for each day. Made of high quality wood which makes the Calendar durable and last longer. Kids of all ages will love this beautifully made wood advent calendar box! Comes in sturdy box for storing when not on display. 22"H x 16"W. Handmade in the USA.