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. This kit helps to promotes S.T.E.M./S.T.E.A.M. with a 32-page book of crystal clear instructions includes additional spy-themed activities to keep the fun going
2AA batteries not included
