Electric Magnetic Field

Marsoni

M251S

$22.46

Get it in 3 business days with 1 day shipping. Friday, May 29

Electric Magnetic FieldSet of 3 Demonstrator Magnetic pcs. Set of three conductors (linear circular solitary) to visualize the magnetic fields created. The base of each conduit has built in iron chips in special liquids to create the selected field. Premium Quality: This product is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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I have a 60lb shepherd that i got this for that likes to have an "emotional support" ball everywhere she goes. After losing her old one, I went on Amazon to buy her a new rope ball. My dog likes to chew on her toys and play tug, so I knew I needed something that could handle both. After buying this, I noticed that the orange rubber would break off and the rope would come undone when she picked at it. After a few months the rubber near the rope stated tearing and the rope popped out. It's not a bad toy for dogs, but it's not very well made either. I'll opt for something sturdier next time

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Reviewed in the United States on February 21, 2026

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Dr. Death

Houston, US

★★★★★ 5

My dog simply loves this toy!

Size: Large (Pack of 1)

A simple concept expertly manufactured. Sturdy and durable, this toy will give your aggressive chewer hours of pleasure be it playing tug with her owner or fetching repeatedly. Made to last which is important! This toy gets two paws up from this dog owner. Hours of distraction and fun for all. A classic novelty!

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Reviewed in the United States on December 16, 2024

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Verucat

Fort Morgan, US

★★★★★ 5

Yes!

Size: Medium

Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.

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Reviewed in the United States on September 28, 2025

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JJ Fording

Louisville, US

★★★★★ 5

Balls

Size: Medium

My dog loves chasing these balls. He seems to love the squeak! They fit the chuck it stick perfectly, and are great replacements for the originals that came with the stick.

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Reviewed in the United States on February 7, 2026

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Steve just Steve

Phoenix, US

★★★★★ 5

Nice set of balls

Size: Medium

The squeaker quickly became my dog’s favorite ball and has replaced the fuzzy tennis balls. My dog is a nonstop fetcher and these chuck it balls are durable and fun.

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Reviewed in the United States on January 9, 2026