Scarabs with elaborate scroll and spiral motifs became exceedingly popular during the Middle Kingdom, especially towards the end of the 12th dynasty and into the 13th. Their meaning and inspiration is still ambiguous but their appeal was not. They added a further decorative element to an apotropaic amulet. New Kingdom scarabs of this type, including a scroll or geometric pattern, were an imitation of the earlier Middle Kingdom type.
To find out more about Ancient Egyptian amulets please see our relevant blog post: Egyptian Amulets and their Meanings.