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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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4.4 ★★★★★
Based on 1178 reviews
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Product Reviews
★★★★★ 4
Cute and so much fun!
Size: Small
Great squeak noise!!
Our dog loves to play fetch with them!
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Reviewed in the United States on March 7, 2026
★★★★★ 5
An instant favorite for my one year old pup!
Size: Small, Size: Small
I came across these randomly while looking for presents for my one year old 10lb chi-mix. I gave her one to start with just to make sure it wasn’t flimsy & she wasn’t going to destroy it because she is definitely a chewer. She was instantly OBSESSED! These are now her most treasured squeakies. They’re the perfect size for her too and I’m happy to say they’ve held up well to her pouncing/jumping on them constantly. They’re definitely not quiet but we get an absolute kick out of watching the way she plays with them. If I could give 10 stars I would. Almost two months later and the novelty hasn’t worn off to her. I’ve saved them to my lists just in case we ever need to replace them for any reason. I’m not sure she’ll ever love a toy as much as these
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Reviewed in the United States on January 9, 2026
★★★★★ 5
Squeak is not super loud! Family fun!
Size: Small
My small dog loves these toys. He detects them the very moment they enter the house, even more if the package has been opened. I used to give him one at a time because he would favor the newest one for quite a long time. Now he sniffs them out no matter where I store them.
The squeakers have fallen INTO the toy rather than going down his throat, and they're rather difficult to chew out of place. They do collect quite a bit of debris and hair from the floor, so a good rinsing is needed sometimes. My little 13 lb terrier mix loves them with and without squeakers. For this dog, it's the best toy we've found.
We can do a little tug of war with it, throw and fetch, and he's even copied various ways we squeak the toy. I don't know what your pup will think, but these seem the most safe, longest-lasting, most engaging toy he has. If we step on it by accident, he always comes running for some fun.
Let us know if you have come up with a new game! We call one "Puppy Puzzle" where we bury it under various objects such as blankets, boxes, and find ways to squeak it when he can't quite find it. It's a daily ritual. We also like to be creative when we introduce new ones by hiding them, or mixing them in with older ones.
For us, it is a family interactive toy. He loses interest faster when playing alone. Plus, because of its size and random bouncing directions, it often gets out of pup's reach under furniture or in spaces too small for him to get it himself. We like playing with our dog, so it works for us. We've tried other toys with similar sizes and appearances, but for whatever reason, this is the one that has become part of daily life, and there appears to be no boredom yet after 2 years. Love!
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Reviewed in the United States on February 1, 2020
★★★★★ 3
Dog won’t bite on these
Size: Small
Great squeak, squishiness, and colors.
Dog won’t bite on latex…
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Reviewed in the United States on March 28, 2026
★★★★★ 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