BRAND NEW BOOK & KIT!
AGES 8+
BUILD A DIGITAL DOOR ALARM!
Enter the world of high tech security and learn the secrets behind closed circuit video, infrared and hidden cameras, and biometric systems. Build a personal door alarm and program it with a secret code. This fascinating kit includes a 32-page book with full-color illustrations, easy-to-follow directions, and all the components needed to build a personal alarm
AGES 8+
BUILD A DIGITAL DOOR ALARM!
Enter the world of high tech security and learn the secrets behind closed circuit video, infrared and hidden cameras, and biometric systems. Build a personal door alarm and program it with a secret code. This fascinating kit includes a 32-page book with full-color illustrations, easy-to-follow directions, and all the components needed to build a personal alarm
00315
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$7.50
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