This product will be sent by [page="merchant_info"]Mahlas Publishing Group[/page] . Free returns within 15 days. For detailed information, click [page="return_conditions"][/page]. The book I am Learning Concepts has been prepared to develop skills such as perception-concept formation-acquiring language-embedding in memory-remembering-thinking and problem solving. The Activity Coloring Book has been prepared to provide benefits in many aspects, from motor skills to mental development. Coloring activities that enable children to have both fun and quality time will improve children's manual dexterity, increase their ability to focus and support the development of their imagination. The 3rd Book, Auditory Perception, has been prepared to develop skills such as following voice commands, expressing feelings and thoughts aloud, socializing and establishing dialogue. Book 4 has been prepared to improve Visual Perception and Attention focusing skills - reduce distraction and increase concentration. Book 5, Fine Motor Skills, is designed to help children do important tasks such as feeding themselves, holding toys, fastening and squeezing buttons, writing, drawing, and more.