KidzLabs Spy Science will turn every kid into the next 007. Have fun communicating secret messages with your friends like spies do! You can send top level secrets in Morse code, invisible writers, X-ray secret notes which can only be read using special decoder lens, and more. The set includes everything you need for your next undercover mission, teaching you how to communicate once you're in fully fledged spy mode. Use the invisible writer, special paper and more to send your covert messages.