The only balance that lets kids visualize that -1 is less than 0. Weights placed on the outer pans represent negative integers and those placed in the inner pans represent positive integers. Great for small-group work, the balance includes 4 plastic pans, 4 plastic canisters, a set of plastic weights and activity guide. Some assembly required.
Cheapest price in the interval: 54.99 on November 6, 2021
Most expensive price in the interval: 54.99 on December 20, 2021
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