Trade hidden messages with your friends and practice your spy skills with this fun kit!

• Invisible ink markers keep secrets safe.

• Use the cap blacklight to see messages appear like magic.

• Protect against prying eyes and learn how to create your own secret codes for added mystery.

• Reverse words, assign numbers, make your own symbols, and more!

• Creating codes encourages creativity and critical thinking, too.

• Set includes 2 notepads and 2 invisible ink markers.

• Package measures 6'' wide x 9'' high.