Quality Montessori Materials for Toddler,
Primary and Elementary Environments.
E&O Montessori USA.
Begin sound sorting with easier distinctions like /t/ vs /m/ and move on to more difficult ones
such as /f/ vs /v/.
124 picture cards, 20 consonant label cards, 8 yes/no cards, and Teaching Notes.
Cards measure 2" by 2 1/2", and come in a sturdy box with convenient labeled dividers.