Assemble a double-security lock with a combination code and key to hide your most prized possessions. Then, use the included buzzer and electronic components to build a working door alarm or pressure plate to keep your valuables safe from prying eyes.
With easy-to-find materials from home and our step-by-step instructions in the book, you'll discover even more exciting spy activities, such as:
Dusting for fingerprints
Encrypting and decrypting codes
Making diversion decoys
And more!
Comes with:
6 plastic vault panels
Clothespin
Key
Cord
Buzzer
Battery box
Age Recommendation: 8 and up Grade Level: 3 and up Genre: Functional and How-To Pages: 32 Weight: 1.3 lbs Dimensions: 1.9 x 8.1 x 11.7 inches Language: English
