Engage Students With A Fun Tactile Approach To Learning Beginning Operations Greater Than/Less Than And Much More! Each Number Is Weighted From 5 Grams To 50 Grams Increasing In 5 G Increments. Excellent For Use With Primary Bucket Balance (Ler1521) Which Is Sold Separately. With The Balance You Can Demonstrate For Example How 2 4 In One Bucket Is Equal To 6 In The Other.
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