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
Also have a tub of objects on table and do not have pictures of A objects below so they find the right items Alphabet play dough mats. Easy for beginning kindergarten because the letters on mat look like real play dough "snakes".
ABC collages and letter mats are great alphabet activities to reinforce letter-sound relationships. This article includes a list of over 200 materials to use as collage materials and/or materials to use on letter mats. This is a great literacy, letter o