Bettomshin Magnetic Classroom Whiteboard Geometry Set - 4 Piece Kit with Compass, 2 Triangles & Ruler | Perfect for Math Teachers, Students & Homeschooling | Great for Geometry Lessons, Whiteboard Demonstrations & Classroom Activities

【What You Will Get】This four-piece magnetic teaching ruler includes an isosceles triangle, a right triangle, a protractor, and a multipurpose compass. Can meet your various needs.

【High Quality】This protractor is made of quality plastic,with clear engraving scale, easy to read, durable and convenient to use. Can withstand multiple drops in a classroom environment.

【Easy Operation】The combination of ruler and protractor 2-in-1 design.Makes it can measure length by fixed ruler 0-50 cm/ 0- 19.7inches.By moving ruler, semicircular protractor at the top can measure from 0-180 degrees. Set includes 45◦/45◦/90◦ triangle, 30◦ / 60◦ /90◦ Triangle, compass with Universal Holder. Great for drawing large shapes on a whiteboard/chalkboard.

【Design】Designed for the classroom.This oversized large tool set is perfect for teaching a class when using a whiteboard. It includes which will help position the protractor while drawing, as well as an ergonomic handle to ensure accurate drawings can be made.

【Practicality】This jumbo tool ensures easy demonstration of math, engineering and geometry concepts. Use it to teach measurements, angles and shapes.Perfect for art, which requires exact shapes. This handy, geometry tool is perfect for creative classrooms.