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
Cute classroom trick for kids learning to write in the lines. "Clever Cat" helps as a visual aid to assist children writing letters between the correct lines and also doubles as a word spacer. A LIFESAVER FOR HANDWRITING!