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which measures the time between the first and third interruption
Large Electromagnet
Included: 7
It offers a hands-on approach to learning about magnetic properties and their applications
Magnetic Marbles which measures the time betweenMagnetic Marbles Watch as they spin, attract and repel each other on a table. A fun way to learn about magnetism! Designed with safety in mind, these marbles are reliable and durable for multiple uses. 5 Marbles included in an assortment of colors: Red Orange Yellow Green Blue Premium Quality: Magnetic Marbles is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in
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