This is a wooden Zodiac Calendar, which is designed to hang on the wall and allow for perpetual changes to the current cycle. It features all 12 zodiac symbols and will last a lifetime. This is a perfect item for the person who loves astrology and makes a great gift! The circle part of the calendar is around 8.5" diameter and whole calendar is around 9.75" tall A great conversational piece or teaching activity. It's Handmade with love from quality hardwoods including cherry, poplar and maple.