Spy Science: 40 Solution-Sleuthing, Code-Cracking, Spy-Catching Pursuits for Kids

- ISBN13: 9780471146209
- Problem: New
- Notes: Purchase WITH Confidence, About one particular million guides offered! 98% Good feedback. Evaluate our books, costs and service to the levels of competition. 100% Satisfaction Assured
Sh-h-h-h-h-h!!
Top Key...
Crack the code of superspy science enjoyable!
Make your very own spy sunglasses
* Compose messages with invisible ink
* Hook up a key alarm, and considerably a lot more!
Uncover how spies use science to retain--or uncover--leading secrets. Learn how to go beneath cover, grasp Morse code, and even develop devices to see and listen to via walls! These and dozens of other entertaining-stuffed pursuits give you an inside of glimpse at the science behind spy gadgets and tricks o
Record Price tag: $ 14.95
Cost: $ 7.43
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