10 Transparent Compasses

10 Transparent Compasses for Classroom Magnetic Field Experiments

Ten small, handy compasses (diameter 20 mm) for determining magnetic field lines. Thanks to the transparent housing, the needles are visible from both sides, which also enables conducting experiments on an overhead projector.

• Set of 10 compact compasses
• Diameter: 20 mm
• Transparent housing ensures the needle is visible from both sides
• Facilitates experiments with an overhead projector