Montessori Outlet offers premium quality Montessori Materials at outlet prices. Montessori Outlet offers premium quality Montessori Materials at outlet prices. All of our Montessori Products are made based on the AMI standards and especially the authentic blueprints Montessori Outlet We invite you to our Montessori Outlet, where you will find quality and affordable products for your child. Welcome to the official Nienhuis Montessori USA website. Shop all Nienhuis Montessori materials for your classroom, training center or kindergarden in our new webshop.