Ultimate Spy Vault & Code Kit (Klutz)

Discover the spy-taar 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