Students get a grasp on early math skills with these squishy, colorful worms that make counting, sorting and measuring fun. Worms can be used to teach both standard and non-standard measurement. The Learning Resources Measure Worms Set of 72 Features: 72 worms in 6 colors and 4 sizes (1 inch , 2 inch , 3 inch , 4 inch L) Activity Guide Convenient storage bucket
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