The all-in-one geometry tool for teachers and students. Use as a protractor and compass to draw, construct, and measure angles and lengths. Build quantitative polygons by sliding three or more GeoLegs together to form triangles, quadrilaterals, and hexagons. GeoLeg Jrs. are lime green and are numbered with one semicircle for simplicity. Made of sturdy polycarbonate in the USA. Recommended 4 to 6 GeoLegs per student.