Grade 2-5. Using such recyclables and readily available materials as pipe cleaners, plastic bottles, Styrofoam trays, clothespins, oatmeal boxes, toilet-paper rolls, and old socks and neckties, Ross proffers such projects as "Magnified Bugs," "Lucky Ladybug Necklace," and "Butterfly Lapel Pin" (Insects); "Tree Frog Beanbag," "Howling Howler Monkey Mask," and "Spider Monkey Mobile" (Rainforests). Most instructive and/or effective of the lot are "Rainforest Layers" (a terrariumlike model in a jar) and "Butterfly Metamorphosis" (an egg-carton model of the four stages); but, for the most part, information is minimal, and standards of authenticity casual, at best. (The author writes: "You can add more details to your projects or give them more accurate coloring by looking for pictures and more information on the plants and animals you make.