If your mineral or rock is attracted to a magnet, you will know it when using these strong 0.75" disk magnets! Powerful enough that two of them stay attracted across your fingers! Great for making magnet crafts as well.
If your mineral or rock is attracted to a magnet, you will know it when using these strong 0.75" disk magnets! Powerful enough that two of them stay attracted across your fingers! Great for making magnet crafts as well.