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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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4.6 ★★★★★
Based on 1768 reviews
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Product Reviews
★★★★★ 5
Life saver for an active puppy!
Style: Modern
Our baby loves this toy! I work from home so it’s a great distraction when I have meetings and he wants to play. It’s a must buy for anyone who has a very active puppy!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026
★★★★★ 3
Ok
Style: Modern
Works ok. You have to turn the dial to get the treats to come out. Too big and too much comes out quickly so not very challenging to my pup. Too small and the treats won’t come out at all.
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Reviewed in the United States on March 31, 2026
★★★★★ 5
Finally slowed my dog down
Style: Modern
This toy is 100% worth the price. My dog is a mini Aussie and this had him engaged for 20 minutes trying to get his food. It looks adorable with the added detail of the dogs. The size is a bit smaller since it is not able to fit his full cup of food in it. The quality is amazing and he didn't immediately break it. It's very easy to use and adjust the size of the holes to make it harder. Love the engagement it provided to my pup.
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Reviewed in the United States on June 9, 2026
★★★★★ 4
Kept dog entertained! 🐾
Style: Modern
Love this toy! Glad it kept my dog busy and he really has to work for the treats inside. It rolls well and is fairly light weight. My only complaints is that if you have a strong/heavy chewer be mindful that it will rip through the plastic eventually so your dog could ingest it. For reference I have a maltipoo. 😂
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Reviewed in the United States on May 27, 2026
★★★★★ 5
My Puppy Loves this Indestructible Dragon
Size: Large, Color: Pink, Size: Large, Color: Pink
My puppy (8 month old black lab mix) loves, loves, loves her dragon. She has had it for 2 months now. It is one of her favorites and gets daily rough play time. It's her go-to toy for fetch and tug games, as well as just general mouthy play. The squeaker gave out after about 4 weeks, but she would binge squeak for prolonged periods (kind of like chomping on gum) so it was almost a blessing when it went silent. She still chomps on it, but at least now I don't have to hear it. Other than the fact that it's a little grungy and bedraggled from so much loving, it is still in amazing shape. The seams and fur are all still intact. There are no visible holes, rips, or weak spots. I love Chew Guard Technology.
This dragon replaced her goDog Iguana (from PetSmart) that developed a tear in the fur after about 4 months of heavy use. (It was superficial, just the outer fur layer and not the innards, but we disposed of it before she could eat more fur.) She can be pretty rough on her toys and I can never predict if any given toy will last minutes or months. The goDog stuffies definitely fall into the "months" category, even with rough daily use.
Edit: The dragon lasted about 6 months of intensive, hard play before it developed a small tear in the fur. I patched it a couple times, but once my pup discovers a weak spot, it's the kiss of death for any stuffed item. We had to dispose of the dragon (so sad) to keep her from eating any more of the fur. We replaced the dragon with the goDog Chameleon, which is still going strong. I think we will go back to the dragon for our next toy because it's just so darned cute. We gave the dragon to my niece for her golden retriever puppy who is very chew-happy. That dragon is also doing well. You've just gotta love that chew-guard technology. This is one tough toy.
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Reviewed in the United States on September 26, 2015
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