Five spy missions included: Decode messages create secret codes and explore hidden message techniques. Hands-on pH experiments: Learn science through exciting activities like creating fizzing reactions. Easy-to-follow instructions: Clear guidance ensures every mission is a fun and educational success. Includes fascinating spy history: Learn about real-world spy techniques and the science behind the experiments. Reusable components: Build and use your own secret code system again and again for endless fun.

• Uncover the secrets of spy science with the National Geographic Secret Message Science Lab!
• Packed with top-secret missions and hidden codes
• This kit turns learning into a thrilling adventure