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
No to find a lint roller. Take a sticky roll lint remover, add some raised craft foam shapes and you have a great new way to stamp out some art! You can peel off the outer layers and make a different one - Endless possibilities!