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
Counting is so important, that we wanted to let you guys in on some fantastic activities that didn't make it into story time. This is the Number Writing Salt Tray Game, which is a great idea for kids to practice number recognition and writing skills.