I love this! totally going to use it for Art Week a the zoo! Creating fall leaf pictures is a classic craft activity that can be enjoyed by all ages. You'll find this lovely example and others at Atelier Pour Enfants.
Process art-Autumn Leaves STEAM Absorption Art for Kids to Enjoy this Fall: Kids can watch coffee filters magically change colors as they learn about leaves (Preschool, Kindergarten, First grade, Botany, Kids Craft)