The 360° Angle & Circle Maker combines 3 Geometry tools into 1 innovative & exciting product! The outer ring acts as a classic protractor, while the separate inner circle easily rotates to draw circles just like a compass. And the 8 integrated circle templates built into the inner ring for drawing accurate small circles far easier than using a standard compass. Unique product is much easier for young children to manipulate and use than a standard compass, and the integrated design means that they can more easily understand how angles and measurements correspond with each other. The perfect tool for young students working on mastering geometry and angles! Details:Includes an assortment of blue, teal and gray (no color choice) 6" (15 cm) diameter6 angle and circle makersEach set features 8 circle templates in the center sectionCenter disk rotates around to draw different sized circlesExterior 360 degree protractor for measuring angles