The tub includes 40 cards with engaging, standards-based activities covering 5 different curriculum areas: math, language, science, social studies, and arts & crafts. Plus, you get tons of ready-to-use materials for exploring concepts in depth, including thermometers, an anemometer, a rain gauge, wind vane, weather maps and photo cards…plus write &; wipe experiment posters, vocabulary cards, writing prompts and more!