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
"This year flew by but we remember ." and using kite writing templates is a great idea for end of year writing assignment and summer bulletin board display. We could add pics taken throughout the year.
Free printable for Brain Breaks - roll a die for each column and perform the brain break. Encourages using both sides of the body, physical movement and alerting activities. Great for in school for quick movement breaks or indoor recess.