Plotting Compass – 20mm Diameter (Dual Glass Faces)

This compact 20mm Plotting Compass features two clear glass faces, providing excellent visibility of the needle from both sides. Designed for precision and durability, it is ideal for classroom use, supporting a wide variety of physics and earth science activities.

Lightweight, accurate, and easy to handle, this plotting compass is well‑suited for use on paper, magnetic field boards, or demonstration surfaces, making it a dependable tool for everyday practical work.

Key Features

• 20mm diameter – compact and easy to position on diagrams
• Dual glass faces for clear visibility from both sides
• Precise, responsive magnetic needle
• Durable construction ideal for repeated classroom use
• Perfect for use on paper, plotting boards, and magnetic field setups

Ideal for School Science Lessons & Practical Activities

This plotting compass is widely used in KS2, KS3, GCSE, and A‑Level science lessons, supporting hands‑on exploration of magnetism and Earth science. It is ideal for:

• Plotting magnetic field lines around bar magnets, coils, and electromagnets
• Demonstrating compass behaviour in magnetic fields
• Earth science activities involving navigation and magnetic north
• Enhancing student understanding of magnetic forces and field patterns
• Encouraging accurate diagram work in physics investigations

Compact, durable, and highly effective for visualising magnetic fields, this 20mm plotting compass is an essential resource for engaging and accurate science practicals.