Compass Ruler is a precision drawing tool that combines the function of a classic compass with the ease of a ruler.
Kids can use it to draw perfect circles, arcs, and angles while also measuring in millimeters and inches.
Designed for budding engineers, architects, and designers, this tool turns math and drafting into a fun, hands-on experience.
What Kids Can Learn With the Compass Ruler
1. Geometry & Circle Construction
The Compass Ruler helps kids master essential geometric concepts, including:
- radius and diameter
- circumference
- angle measurement in degrees
- arcs and rotational geometry
Perfect for reinforcing math lessons with tactile practice.
2. Technical Drawing & Engineering Skills
Students can use the tool to:
- draw accurate layouts
- combine circles with straight lines
- sketch preliminary prototypes
- practice engineering-style drafting
It teaches kids how real engineers communicate ideas on paper.
3. Measurement & Precision
With built-in metric and imperial markings, kids learn:
- how to measure length accurately
- how to convert between units
- how small measurement differences affect outcomes
- the importance of precision in design work
Excellent preparation for robotics, design, and STEM competitions.
4. Fine Motor Skills & Steady-Hand Practice
Using a compass-like tool strengthens:
- hand control
- attention to detail
- controlled wrist rotation
- patient, careful movement
Great for building foundational drawing confidence.
5. Creative Design & Pattern Exploration
Beyond technical drawing, kids can experiment with:
- decorative geometric patterns
- mandala-style circular designs
- layered arcs and spirals
- custom artwork that blends math with creativity
A perfect integration of STEM and art (STEAM).
Product Features
- Ruler with both millimeter and inch markings
- Circular compass mechanism for drawing perfect circles
- Degree markings every 10° for angle work
- Includes adjustable center sliders and components
- Durable, reusable design suitable for classrooms and home projects
- Helps students with geometry, design, engineering, and drafting assignments
Safety Precautions
- Contains small parts — recommended for ages 7+.
- Adult supervision advised for younger children during use.
- Ensure kids use pencils gently to avoid slipping or scratching surfaces.
- Store in a flat container to protect the movable components.
Why Teachers & Parents Love It
The Compass Ruler turns geometry and drafting into a hands-on, intuitive learning experience.
Kids gain confidence designing, measuring, and experimenting with shapes — skills that directly support engineering, architecture, robotics, and creative art projects.
Compass Ruler by
Kezat
is licensed under the
Creative Commons - Attribution - Share Alike license.
