A set of 10 different length flexible sticks that snap together at different points allowing students to investigate planar geometry. The set includes 100 flexible plastic sticks, 2 protractors (measuring 4" each. An ideal hands-on manipulative for students to explore geometric concepts. GeoStix® sizes range from 2.5cm to 15cm and includes 90° R7.07cm and 180° R7.07cm pieces. Packaged with 16 double-sided activity cards in plastic storage container.