About the product
- A hands-on tool for teaching mass, weight, measurement, estimation, and comparison
- Learn to estimate, measure, and calculate weights
- Great for simple classroom or group science and math lessons
- Set of 13 plastic-coated weights includes eight 1 oz. weights, two 2 oz. weights, two 8 oz. weights, and one 1lb. weight, also includes storage box
- Ages 8+
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