Bring a bit of nature to your classroom and teach your students about the natural ecosystem with this attractive, easy-to-maintain, above-ground classroom pond. Fully assembled, the pond requires no digging and can be installed in minutes. To establish your natural pond, we provide a water lily and a generous assortment of aquatic plants and snails. Made for use indoors or outdoors, the exterior is constructed of quality American hardwoods treated to resist fading and dry rot. The interior is a high-density, one-piece molded polyethylene pond that won't crack or fade. Available in 2 sizes: the 40-gal Pond Kit (36 lb) measures 42 × 29 × 14" and the 100-gal Pond Kit (47 lb) measures 47 × 47 × 18". Shape of pond varies with size. Each kit includes a fountain kit complete with pump, fountainhead, and extender. Kit contains coupon for prepaid delivery of live materials.