Each large set includes 72 neodymium rare earth cylinder magnets and 52 steel balls.
Magnet Specifications
Magnetic Stick Size: Diameter 4mm x 23mm
Steel Ball Diameter: 8mm
Material: NdFeb N30
Included72pcs - Magnetic Sticks
52pcs - Steel Balls
These magnets are intended for educational, research, professional, commercial, or industrial purposes only.
Neodymium magnets are NOT toys. Do not allow children to handle or play with rare earth magnets. Small magnets can pose a serious choking hazard. If multiple magnets are swallowed, they can attach to each other through intestinal walls causing serious injuries and even death.
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