Students would write their words in white crayon then they could choose a colored marker and color over their word and see it magically appear. I think this would be fun for the younger grades because they would enjoy seeing the word magically appear.
Practice spelling words-- or use this for a poetry activity. Students draw a big scribble on their page - remind them to leave big spaces in their scribble! Using coloured pencils, they can then fill the spaces with their words.
Looks fun: A, Bee, C, Preschool: Building Shapes. Kindergarten readiness: Colored craft sticks are labeled with the number of sides each shape has, ie: 3 purple sticks - triangle. The children will choose a color and build the matching colored shape from