- Order number: 39470
This is the most versatile balance available for the elementary grades. The number line across the arm of the balance can be used for numbers, counting, addition and subtraction, and is self-checking by balancing. Nonremovable plastic compensators are incorporated into the beam for zero adjustment. The beam also features a unique design for holding the buckets so that they wont slip. This all-purpose balance comes complete with two buckets, 2 pans, 20 hanging masses and an activity guide. Balance is 16" tall.