The package includes: A set of math kit includes 2 triangles, 1 ruler, 1 protractor, 2 compasses, 1 pencil, 1 pencil refill, 1 sharpener and 1 eraser, meet your different needs. Storage box : all in a transparent plastic case and located in the right place, help you organize easily and don't get lost, you can put it anywhere you want. Best gifts: Enough tools for teachers and students of all levels, also a perfect gift for kids and homeschool math students to learn drawing. Math compass: draw up 'to a circle of 11.8 inch / 30 cm in diameter, pack of 2 pieces, which you can share with your friends, can also be used as a pencil for writing. Ruler set: plastic transparent, clear color lets you see words, letters and numbers on the page through the protractor, helping you measure more accurately.