Put together a rhyming Easter treasure hunt mission for your little learners using the inspiration from A Lil Bit of This - A Lil Bit of That.
egg hunt skill building activity is appropriate for reviewing any concept in the classroom. It worked with second grade students, yet was also fun with preschool age children. Just create appropriate questions for the age you are addressing.
The First Grade Sweet Life put together a Sentence Scramble center and shares the printable recording sheets in her post.
Explorations in Learning shares the set up for their Easter themed writing workshop station.
Teachology has a great link list of suggested Easter themed lessons that would be appropriate for learning centers.