Had when i worked in a preschool and kids love them! I would use colored sand instead of white salt. DIY salt tray with alphabet cards. Easy to make and kids have fun smoothing out the salt after correctly making the letter
reading corner Eva Montessori approach to providing a dedicated reading area for a toddler. As soon as we setup the book display, our 18 month old found his way, picked a book and sat down to "read" by himself.