Noun/Verb Sort. Can change it up to long/short vowel sort... or a lot of other language art concepts.
Inexpensive, Simple-to-Prepare Montessori Grammar Farm (options for young preschoolers through elementary-age children)
Montessori grammar solids
Montessori grammar . . . who knew?
"Making Montessori Ours" Montessori Grammar Sentence & Symbol Strip Work
The Nine Parts of Speech Three little words you often see, Are articles - a, an, and the. A noun's the name of anything As school, garden, hoop, or swing. An adjective tells the kind of noun - Great, small, pretty, white, or brown. Instead of nouns the pronouns stand - Her head, his face, your arm, my hand. Verbs tell of something to be done, To read, sing, jump, or run.
Minibooks for Reference
I've bought many grammar boxes from Amy, and they are fabulous!