24 Day Christmas Calendar. This simple, frugal advent calendar is made up of 24 days of christmas printables! Discover a new rock or gemstone every day leading up to christmas with this national geographic advent calendar filled with 24 specimens, including black obsidian, blue.

This advent calendar includes 24 distinct gnomes, each showcasing charming details like colorful hats and cozy plush beards. Make their first christmas one to remember with a kids advent calendar bursting with surprises.