Learning Resources Starter Science Graduated Cylinders. Children will feel like real scientists when using these innovative graduated cylinders to measure and pour liquid. There are 5 graduated cylinders (10, 25, 50, 100 and 250ml) which are made from durable plastic, can stand upright, and have large, easy-to-read measurements engraved and printed on the sides. Features multilingual packaging and guide. 10 Piece Set (Ages 3+)