Top 8 Best Kids Mystery Books Ages 9 12

COMPLETE 10 SPY MISSIONS - This super-fun spy kit has all the tools kids need to complete 10 secret missions invisible ink pen, periscope, UV light, spy glasses, decoder wheels, secret notebook. BECOME A SPY - With this kit, kids can look around corners, write secret messages, gather intelligence, and compile their notes to solve the mission, just like a real spy. LEARN VALUABLE SKILLS - In addition to being loads of fun, the experiments in this spy kit develop valuable skills like observation, code breaking, note taking and organization, and much more. THE HISTORY OF SPYCRAFT - The experiment guide included in this spy kit also teaches kids about the history of spying and the techniques employed by spies as they work through each secret mission.. HIGH-QUALITY EDUCATIONAL TOYS - We proudly make the highest quality hands-on science toys, and all our products are backed by exceptional service..