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Description
The Invention Hunters Discover How Machines WorkLearn about machines the fun way The Magic School Bus meets The Way Things Work in this kid friendly guide to understanding the basics of simple machines, perfect for budding engineers. The Invention Hunters travel the globe in their flying museum collecting the world's greatest inventions Today they've landed in a construction zone. These silly scientists think they've stumbled on incredible specimens of everything you'd never find at a building
Learn about machines the fun way The Magic School Bus meets The Way Things Work in this kid-friendly guide to understanding the basics of simple machines, perfect for budding engineers. The Invention Hunters travel the globe in their flying museum collecting the world's greatest inventions Today they've landed in a construction zone. These silly scientists think they've stumbled on incredible specimens of everything you'd never find at a building site, from roller skates and pogo sticks to swords and race cars. But what they really discover--with a kid as their guide--is how simple machines like pulleys, cranks, and levers are used to engineer tools ranging from jackhammers to dump trucks...and even toilets Using simple explanations and diagrams and a heaping helping of humor, the Invention Hunters make the perfect companions for curious kids who are ready to learn about science, physics, engineering, history, and more.Binding Type: Hardcover
Publisher: Little, Brown Books for Young Readers
Published: 07/09/2019
ISBN: 9780316436793
Pages: 48
Weight: 1.00lbs
Size: 8.60h x 11.20w x 0.60d
Review Citations: Kirkus Reviews 04/01/2019 pg. 104
School Library Journal 07/01/2019 pg. 54
Horn Book Magazine 09/01/2019 pg. 107
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4.8 ★★★★★
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Product Reviews
★★★★★ 3
Too big for puppies
Color: A.Green+Orange
The balls were a bit too big for my 6 month chihuahuas:/ they are as big as a tennis ball so puppies didn’t like nor play with them
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Frenchie approved
Color: A.Orange+Blue+Green
Frenchie approved
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Soft and light
Color: A.Orange+Blue+Green
My doxie loves them
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Reviewed in the United States on April 26, 2026
★★★★★ 5
So Far So Good
I adopted a young adult dog less than 2 weeks ago. She had spent over 12 hours a day in a crate and has excessive energy and anxiety built up. She is a strong chewer. So far, out of 6 toys, this is the only one still in one piece. It appears sturdy and extra bouncy. So much better than regular tennis balls.
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Reviewed in the United States on January 17, 2024
★★★★★ 5
My dogs favorite!
My dogs love these! They will play all day if you'd let them, these balls are their favorites. I use the chuck-it handle and they get tons of exercise in the big yard!
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Reviewed in the United States on April 22, 2026
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