Inspire budding scientists to pour, measure, and explore with Starter Science Graduated Cylinders! Made of clear, durable plastic, each cylinder features easy-to-read measurement marks and a sliding collar to help children accurately measure liquid levels. The cylinders rest on sturdy, colorful bases to encourage hours of sensory play and experimentation on any flat surface. Includes 5 Graduated cylinders (10 mL, 25 mL, 50 mL, 100 mL, 250 mL), 5 Collars, and 5 Bases.