4 years & up. Children will enjoy exploring leaves with these beautiful sets. The Crafty Leaves set includes a variety of 266 realistic leaves printed on both sides of high quality paper which can be used to make gorgeous natural crafts and posters. The Color Diffusing Leaves set includes 80 leaves in which children can create spectacular patterns and designs using liquid watercolor paint, crayons, markers, or glitter. Available separately or in a complete set.