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rainbow writing (did something similar to this with the alphabet when one of my nanny charges were in kindergarten --- except they picked the color traced the letter 3 times, said the letter name and sound(s), repeated with at least 4 other colors), so I love this for learning spelling words. Could make writing them so much more fun and exciting.
This 26-page freebie has some simple reproducible for Word Work station. Great ideas. Boggle, write the room, grab bag letters, and more