Compass set: includes 1 school compass, 1 pencil lead, 1 graphic compass, 2 triangle rulers, 1 protractor, 1 ruler, 1 mechanical pencil, 1 pencil lead and 1 eraser . Easy to measure: These rulers are made of transparent plastic and are easy to measure. Each ruler comes with a nameplate, CM and metric scale for easy identification. Math Compass: The school compass can draw circles up to 10 inches in diameter. The drawing compass with sharp parts should be used carefully and placed to avoid contact with babies. Durable compass box: The plastic box protects all tools and stores them in a backpack or desk for easy carrying and storage. A comfortable choice for teachers and students. Perfect Geometry Kit: Designed by experienced mathematics experts, a math set/geometry set containing all important elements, suitable for teachers and students at all levels. It is also an ideal gift or Christmas gift for children and students.