Butterfly swap: Therefore, if anyone is in Christ, he is a new creation; old things have passed away; behold, all things have become new. (II Corinthians NKJV) DIY Folded Paper Butterfly with tissue paper and pipe cleaners.
Make colored sand art by stirring a chalk stick in a bowl of salt. it changes the color. Stir less for light color and more for dark richer color. (I used to do this with salt and food coloring. but the chalk stick idea is brilliant!