Roll into play dough or clay and stamp with the bugs to create hands-on habitats. Children can experiment using different amounts of pressure and rolling in different ways to create satisfying sensory art! The set includes: butterfly and meadow, bee and honeycomb, spider and web, ladybug and flowers, caterpillar and branch, grasshopper and grass. Made from durable stone mix, each set contains six rollers measuring 2 3/4" x 1 3/8" and are easy to clean. Safe for ages 2 and up.