Loyola Press extensive resources for families and classrooms.
https://www.loyolapress.com/catholic-resources/saints/saints-activities/resource-collections/marian-resources/ 

Catholic Icing:  Mary Crafts and Activities for children
https://www.catholicicing.com/mary-kids-activities/

Sadlier Press: Mary Mother of God activities (Spanish and English)
https://www.sadlier.com/religion/blog/the-month-of-mary-catholic-free-printable-mary-mother-of-god-activities-devotions-to-mother-mary-may-crowning-of-mary  

Jared Dees: Activities around crowning Mary
https://www.thereligionteacher.com/may-crowning-activities/

Praying the Angelus
https://www.usccb.org/prayer-and-worship/prayers-and-devotions/prayers/angelus