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Description
Spy ScienceUnlock the thrilling world of espionage with this engaging guide to superspy science fun! A perfect addition for budding spies and science enthusiasts alike, this book teaches you how to transform ordinary household items into amazing spy gadgets. Create your own spy sunglasses, write secret messages using invisible ink, and set up high tech alarm systems. With 128 pages filled with fun activities, you'll learn how spies utilize science to protect and
Unlock the thrilling world of espionage with this engaging guide to superspy science fun! A perfect addition for budding spies and science enthusiasts alike, this book teaches you how to transform ordinary household items into amazing spy gadgets. Create your own spy sunglasses, write secret messages using invisible ink, and set up high-tech alarm systems. With 128 pages filled with fun activities, you'll learn how spies utilize science to protect and reveal top secrets. Discover the art of going undercover, mastering Morse code, and even building devices that can see and hear through walls! Every activity is designed to be completely safe, making this an ideal gift for kids and young adults interested in the intersection of science and adventure. Suitable for home experiments or educational purposes, this book is your gateway to the exciting and secretive world of spy science. Note: Shipping for this item is free, and your order will arrive within 6 weeks. Once placed, orders cannot be canceled. Get ready for an adventure filled with science and intrigue!Note: Shipping for this item is free. Please allow up to 6 weeks for delivery. Once your order is placed, it cannot be cancelled.
Condition: BRAND NEW
ISBN: 9780471146209
Year: 1996
Publisher: John Wiley & Sons Inc (US)
Pages: 128
Description:
Sh-h-h-h-h-h!!
Top Secret...
Crack the code of superspy science fun!
Make your own spy sunglasses
* Write messages with invisible ink
* Hook up a secret alarm, and much more!
Discover how spies use science to keep--or uncover--top secrets.Learn how to go under cover, master Morse code, and even builddevices to see and hear through walls! These and dozens of otherfun-filled activities give you an inside look at the science behindspy gadgets and tricks of the trade. All the activities arecompletely safe and can be done with everyday stuff from around thehouse.
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4.5 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Tough
Color: Medium size (5.9")
So far my dog hasn’t destroyed it! And it’s been a month. So I call that a win. Plus he loves it.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Great play and chew toy!
Pattern Name: Star
The dogs love these!
They're sturdy and give them plenty of chew time. The size is great and they are very playable. The dogs have a lot of fun and the weight is just enough for our little dogs.
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Reviewed in the United States on February 20, 2026
★★★★★ 5
Great for tug of war
Pattern Name: Checkered
Dog loves them. Best tug of war toy yet. Pretty we’ll indestructible
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Reviewed in the United States on January 2, 2026
★★★★★ 5
Great Dane Tested and Approved 5 Star
Pattern Name: Checkered, Pattern Name: Checkered
A picture is worth a thousand words applies to this product, as you will see in the attached photos these stand up to the abuse of a Great Dane. He has dragged me around the yard for hours already with this in his mouth and the stretchy handle keeps it shape.
This ball is a little firmer than others of these I have had in the past, which helps exercise his giant jaw. I could get a few weeks out of the other brands I have bought. This brand is still like new well past the time others have failed. I will be ordering more as my French Mastiff is interested in one of his own (the boys do not like to share toys - most dog guardians understand).
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Reviewed in the United States on August 29, 2024
★★★★★ 4
Holding up well.
Pattern Name: Checkered
Seems to be holding up to my aggressive chewer. I have it hanging from a tree branch and she loves leaping to get it! Buying another pair so she has a greater selection around the backyard.
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Reviewed in the United States on April 3, 2026