Math Geometry Kit Set 9 Pieces Student Supplies with Shatterproof Storage Box Includes Rulers Protractor Compass Pencil Lead Refills Pencil Eraser-for Woodworking Drafting and Engineering Drawings

Easy to use compass Everyone can change the radius of the circle without any effort to get their desired circles. How to use compass: Open the compass to the radius desired for your circle. Place the compass point on a piece of paper where you would like the center point of the circle to be. Place the point of the pencil/lead on the paper. Rotate the compass to mark a circle on the paper with the pencil. Draw without lifting the point of the compass off the paper. Ergonomic handle head, easy to handle and use Transparent color for better visibility Easy-to-read inch and centimeter With plastic durable case, to protect and keep tools in one place in a backpack or desk.Easy to carry and store.