Rattle magnets that vibrate and buzz.
When these magnets come together they pull together and push apart over and over again very quickly. Each time they hit each other they make a sound. The rapid collisions make a high pitched buzzing sound.
Made from hematite
Suitable for age 8+
Great in combination with our magnetic slime
Subscribers to the Investigate Box get these magnets in Investigate Box 3: Magnetoslime.
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