Math > Measurement
 | Beginner's Balance4 years & up. Introduce mass comparison with this simple see-saw balance made of 2- piece molded plastic. A visually engaging and tactile way to introduce mass and measurement. Includes 10 weight-related… More » | Product: 17542 In Stock $18.95 |
 | Volumetric SolidsGrades 1 & up. Ideal tools to explore shapes, sizes and the relationships between area and volume. Explore and compare volume using any wet or dry material. Removable base and stopper for easy filling. Set includes 15 pieces. | Product: 25244 In Stock $13.95 |
 | Elementary Balance with WeightsGrades 3 & up. All-purpose balance provides accurate measurement of capacities to 2000g (readable to 1g). Molded from high-impact styrene, this durable unit features a zero adjust knob and two removable… More » | Product: 22402 In Stock $29.95 |