Learning Advantage Dry-Erase Magnetic 30/60/90 Degree Triangles, 22 1/2in, Black/White, Pack Of 2

In addition to accurate measurements and precise construction, this tool is magnetic securing to metal surfaces. Perfect for drawing angles and shapes for demonstration. Constructed of quality plastic. Sold as a pack of 2. Choking Hazard - Not suitable for children 3 years and under.