*I've dont this* Even without writing in chalk, water painting on the chalkboard is amazing (read: clean) painting the kids love! Write letters in chalk and have child trace over with water. Just like wet/dry/try from HWOT! So easy
15 FREE Letter Activities to Help Students Learn the Alphabet
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
Printable 'Say It, Make It, Write It' mat perfect for Daily 5 word work, name practice or sight word practice. Plenty of other literacy centre ideas and printables perfect for use with year old children to help develop their early literacy skills
Practice Spelling with Letter Stamps and Play Dough
Paint Bag Writing: Add some paint to a plastic bag, seal it up & spend the afternoon with your kids drawing designs through the paint. Using a Q-tip instead of your finger to avoid tearing a hole in the bag.