The clear illustrated instructions make it easy for kids to build, while enhancing focus and hands-on skills. Advent Calendar 2026: Advent Calendar 2026 Christmas Set includes 24 unique boxes, each containing building blocks with instructions showing how to build a gingerbread house kit. From December 1st to 24th,open a new box and build your Christmas gingerbread house with your family and friend, step by step, until you have a complete Christmas gingerbread house set by Christmas.