Embark on a biological adventure with this deluxe Triops kit! The eggs of these small creatures remain dormant for years, but when placed in water they hatch and grow to adulthood in just nine days. The included instruction book contains activity pages for each day of Triops development to encourage careful observation. The kit contains 30-40 eggs (enough for two hatchings) along with a sturdy plastic tank, gravel, food, nutrient mix, magnifying glass, thermometer, glow beads to experiment with nighttime habits, and a fossil replica. Grades K-12.