About This

• Discover the spy-tacular world of espionage with this kit! Assemble a double-security lock with a combination code and key to hide your most prized possessions.
• Then use the included electronic components to build a door alarm or pressure plate to keep your valuables from intruders.
• Find even more spy activities in our crystal clear instructions with easy-to-find materials from home.
• Promotes S.T.E.M./S.T.E.A.M.
• 32-page book of crystal clear instructions includes additional spy-themed activities to keep the fun going
• Learn about circuitry, encoding, and decoding information
• 2AA batteries not included