8pcs Math Geometry Kit Set Dust-proof packaging. Transparent box design. Product upgrade, improved packaging materials, not easy to break. Suitable packaging and size for easy carrying. Package Includes: 1* Shatterproof Box 1* Graphic Compass 2* Triangle Rulers 1* Straight Ruler 1* Protractor 1* Mechanical Pencil 1* Pencil Lead Refills 1* Eraser Clearly visible scale will not make mistakes in operation. Great for Drawing Circles Using Study Compass and Writing. A 15cm ruler, including a small magnifying glass. 1 right angle triangle and 1 isosceles triangle. 180 protractor, the scale is clearly visible. 0.5MM mechanical pencil. Compasses with 10 replaceable refills. Advantage:8pcs Math geometry kit set suitable for Students,Teachers, Carpenters, Metalworkers, Engineers, Architects, Mathematicians, Artists, Craftsmen and Designers,can help students solve all basic projects. The ruler has the toughness and isn't easy to break. The product is suitable for children over 6 years old.