Dowling Magnets Iron Filings Variety Pack, 3 Jars (fine, Medium, coarse), 12 Ounces Each (731050)
- color coding that provides a clear and simple way to demonstrate attraction and repulsion!.
- hands-on, interactive manipulatives for teaching magnetic force, energy, and motion!.
- low-power, safety-tested magnet marbles that are approved for safe use for ages 4+..
- enough marbles for multiple small groups or science stations..
- red north and blue south poles five students a clear visual of magnetic attraction and repulsion..
- the round shape makes the magnets roll when pushed or pulled from the force of attraction or repulsion..
- fun, first-hand experiences with cause and effect, magnetic forces, energy, and motion . in action!.