Build a spy vault to hide your most prized possessionsfrom meddlers and enemy agents with the ULTIMATE SPY VAULT &CODE KIT.Customise the combination for ultimate security, then build yourown door or pressure plate alarm to scare off any intruder! You'llalso learn all about the science of making and breakingcodes, secret messages, finger-printing and how to construct yourown diversion safe to protect your room from prying eyes!The kit includes:a security vaulta keya battery boxa buzzera clothes pegcord32-page book with coding activities, DIY security measures andmore.
