Plastic rulers taper on the edge. A metal caliper slide to aid in accuracy is included (also available separately). Recommended ages: 5 years and above. Two versions are offered: Metric-English Measurement Ruler: Metric edge has raised lines every half
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Posted
Nov 30 2010, 05:09 AM
by
Fred's Head from APH
Filed under: Educational aids, Teaching, Teaching aids, APH products, Low vision, Braille, Tactile aids, Home maintenance, Mathematics, Assistive devices, Homework helpers, Measuring, Crafts, Carpentry