Ziploc bags with tempera paint. We practiced color mixing, fine motor skills, sensory exploration, and letter writing. Did this all the time when I taught preschool also can put it in a sliding glass door or window.
Preschool Crafts for Kids*: Name Rocket Space Craft This is a great way for students in Kindergarten to practice spelling their names and learning their shapes too! This is especially cute if you have an outer space-themed classroom.