Week 3: Montessori Materials You must first complete Week 1: Introduction to Montessori for Toddlers before viewing this LessonPlease sign up for the course before starting the lesson. · types of Montessori materials · how to arrange materials · sensitive periods · commercial toys · Week 2: Preparing the Montessori Home Environment Week 4: Communicating with Toddlers Back to: MONTESSORI TODDLER : online mini-course for parents