A Magnetic Geometry Box is a set of precision instruments used for drawing, measuring, and calculating geometric shapes and figures, with the added feature of magnetic properties. The usage of a Magnetic Geometry Box includes:

1. Drawing: Use the instruments to draw precise lines, angles, and shapes on magnetic surfaces.

2. Measuring: Measure lengths, widths, and heights of objects using the ruler, protractor, and compass.

3. Calculating: Calculate perimeter, area, and volume of various shapes using the instruments.

4. Geometry: Study and explore geometric concepts, such as points, lines, angles, and planes.

5. Drafting: Create precise technical drawings and designs on magnetic surfaces.

6. Engineering: Use the instruments for engineering applications, such as designing and calculating stress on structures.

7. Architecture: Use the instruments for architectural drawings and designs on magnetic surfaces.

8. Art and Design: Use the instruments to create precise and intricate designs on magnetic surfaces.

9. Education: Teach and learn geometric concepts and techniques using magnetic surfaces.

10. Professional applications: Use the instruments in various professions, such as surveying, cartography, and graphic design.

The Magnetic Geometry Box typically includes instruments such as:

- Magnetic ruler

- Protractor

- Compass

- Set squares

- Dividers

- Calculator

The magnetic feature allows for:

- Easy attachment to metal surfaces

- Hands-free use

- Convenient storage

It's commonly used in various fields, including:

- Education (mathematics, geometry, and drafting)

- Engineering (mechanical, civil, and architectural)

- Architecture

- Art and Design

- Surveying and cartography

- Graphic design