Discover the spy-tacular world of espionage with this kit! Assemble a tough, double-security lock equipped with both a combination code and a key lock 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. Kit includes: 6 plastic vault panels, clothespin, key, buzzer and battery box. Suitable for ages 8 and up.