Steel Balls - Pack of 100

Use these steel balls as a substitute for iron filings for studying the phenomenon of magnetic fields. You can form clusters and chains between unlike poles of magnets. Each ball is polished and measures 3mm diameter. Pack of 100. Good for a variety of science applications (science projects, demonstrations and more).

Features:

• Pack of 100 polished steel balls
• Each ball measures 3mm diameter
• Use for magnetic field demonstrations, science projects on magnets, and more