Rich 20pcs Geometry School Math Set as gift for homeschooling maths and for students to start maths learning and drawing Handy and easy to apply; Helpful tools for drawing circles; School Math Full Set, ready to use 2 Drawing Compasses of different type suit for your needs; box of refill, protractor, set squares, eraser and so on Clear color allows you to see the words, letters, and figures on page through the protractor Convenient and organized to carry in transparent box. Colour: Blue Material: metal + plastic Package Contents: 2 set x office rulers (accessories as shown) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.