Learn how people and animals use water, especially for keeping cool in the summer. As the seasons change, so does life in Tualatin Hills Nature Park. Learn about wildlife in this series of classes. Hear stories, meet other parents and kids, and see natural treasures up close. Each class includes a simple craft or coloring project. Weather permitting, you'll take a short hike into the forest. Parent participation required. Suitable for ages 3-5 years. Advanced registration required; call 503-629-6350. $8 per session, in-district. An assessment fee will be charged for out-of-district patrons.