Smart Lab Girl's Only! Secret Message Lab

This box of intrigue contains enough materials for 2 girls to create secret codes and messages, to learn the science behind making invisible ink, and to reveal mysterious missives using colored filters and light waves. In all, 25 ways to share and protect secrets, revealed in a colorful 24-page book. For ages 8-12 yrs, from Smart Lab and International Playthings.
Includes:

• 2 Magic lock secret cases
• 2 Cipher wheels
• 2 Invisible ink pens with UV reveal lights
• 2 Red acetates
• 2 Code wheels
• 2 Red and 2 Blue markers
• 2 White crayons