Meco 16Pcs Rhombus Compass Needle with Base Physics Experiment Teaching Instrument

Features: 1. North poles are painted red; South poles are painted white. 2. Small compass needles are great for classroom physical science activities such as tracing magnetic fields of bar magnets or nature study. 3. They can be used to demonstrate and study magnetic fields, and together the pair can show the concepts of attraction and repulsion. Package Included: 16 x Rhombus Compass Needles More Details: