Wrap some baker's twine or other string around a wooden block to create a graphic textured stamp. -can also use rubber bands- Stamp on inside of paper bags from grocery store or paper that comes in mailed packages, use as wrapping paper.
Let your kids' imaginations run wild with this Easy Art Activity for Kids: Blow Paint Monsters! With some paint and a simple drinking straw, toddlers, preschoolers, and kindergarteners can create endl (Mix Colors Preschool)
ABC Yoga for Kids - Not only would this be an awesome way to learn the ABC's, but get some great physical activity while doing so! Introducing the children to a wide variety of things at an early age like yoga is so important.