A variety of learning tools: Our stationery box contains 8 different learning tools, 2 x graphic compass; 2 x triangular ruler; 1 x ruler; 1 x Protractor; 1 x pencil; 1 x pencil lead refill; 1 x white eraser; 1 x pencil sharpener; can meet different learning needs. Easy to carry: All stationery tools are divided into a box and classified. The box with safety buckle is small in size, light in weight and very easy to carry. Precise measurement: The scale and design of our learning tool is very precise, very convenient to use and can help you complete the design of complex images. Transparent material: The transparent scale is easy to measure, can easily identify CM and metric scales, and is easy to use. Wide range of applications: A complete set of learning tools can meet different needs in your study and daily life, such as: math lessons, graphics, architectural drawings, engineering drawings, sketches and geometric designs, etc., very suitable for school and family use. Features: 1. We will provide a plastic box for storing and fixing various learning tools, which is very easy to achieve. 2. Accurate scale and transparent material are very convenient to use. It can easily identify CM and metric scales, which can help you finish complex image design. 3. It can meet your different drawing learning needs, such as: math lessons, drawing, architectural drawing, technical drawing, geometric drawing sketch, etc. It is very suitable for school and home use. Specifications: Material: Polystyrene Quantity: 8 piece set Package size: 17.5 7.5 2.8 inch Package includes: 1 graphic compass 1 automatic pencil 1 pencil refill 1 Eraser 2 Triangular ruler 1 Straightedge < p>1 Protractor 1 plastic box Note: The data are all manual measurement, please allow 1-3cm error, due to the difference in light and display, there will be some color difference, depending on the physical item received.