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One of those scientific curiosities with no practical purpose that fascinates everyone. When gently thrown together in the air they rapidly repel and attract, emitting a loud, eerie (almost alien-like) buzzing sound. The two strongly-magnetic lozenges are made from haematite (also known as iron oxide), a naturally occurring mineral found in many countries.
- Magnets that buzz
- Rapidly repel and attract each other
- Made from hematite