Ollie & Mia is rated 4.6 out of 5 in the category baby store. Read and write reviews about Ollie & Mia. Ollie & Mia is a quiet book specialist. They designed Montessori, hand made products with age-appropriate activities for Babies, Toddlers and Preschool aged kids that is fit to be used in child care centre, hospital, clinics, speech therapist and many more. A busy book is also known as a felt book or cloth book. The books are designed to help your child to develop fine-motor skills, imagination, logical and spatial intelligence to your baby. Playing with the book, child will show curiosity, will develop attention and diligence.