Inertial Balance Kit

Marsoni

M251S

$15.13

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

Inertial Balance KitInertial Balance Kit. This is used to quantitatively determine the inertial mass of an object and is a simple way to demonstrate Newton's First Law. You can calculate the periodic motion of the balance when pushed sideways, showing that its motion is independent of the effects of gravity. Premium Quality: Inertial Balance Kit is made of high grade construction all the way through, excellent build quality and proven reliability across the range.

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Purchased for our two puppies when they were 2 months old and weighed about 14 pounds so theses balls were a little big for them to hold in their mouths but that didn't stop them from trying. While they did like these balls they much preferred softer soccer balls, the later of which did not hold up well at all. I had hoped they would play with these balls more when they were older but that hasn't happened 5 months later. I guess it's no fun if you can't tear the toy apart. Colors are very bright and they do enjoy chasing after them as long as I am the one rolling them across the room for them. Maybe when they progress to batting things with their paws they will start to do this for themselves.

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Reviewed in the United States on May 18, 2025

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Erik

West Palm Beach, US

★★★★★ 5

My pup loves them

Color: Large Set of 4

Colors are bright and my dog loves the squeaky! Good size no worries of choking.

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Reviewed in the United States on September 10, 2025

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