Measure the weather right in your back yard or school yard. Follow wind direction, temperature, rainfall, and more. Discover the greenhouse effect by creating your own enclosed growing environment. Contains plastic tube, thermometer, 2 halves of support column, funnel, rain gauge support arm, wind vane support arm, anemometer support arm, thermometer support arm, compass, wind vane, anemometer cups, short spindle, long spindle, cap, anemometer hub, screws, and detailed instructions. Completed station measures 8.5" x 4.75" (22 x 12 cm.)