Quality Montessori Materials for Toddler,
Primary and Elementary Environments.
E&O Montessori USA.
The set includes a wooden box with lid and 10 basic different grammar symbols: Article, Verb, Noun, Adjective, Preposition, Adverb, Pronoun, Conjunction, Interjection, and Numeral Symbol. There are 10 of each symbol. This 10-compartment box is used in the primary class where no advanced symbols are required. The symbols are made from wood.