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.For Ages: 8+Warning. Not suitable for children under 8 years. For use under adult supervision. Read the instructions before use, follow them and keep them for reference.