- No-mess Magic Ink Markers mark only the page - watch the pages come alive with color, reveal puzzle answers, and more
- Fun activities for hours of fun and enjoyment, rain or shine, at the beach or in the car
- Proudly Made in the USA by Lee Publications, these books are great for birthdays, party activities, or just summer fun
Curious about what is hidden in invisible ink? So is Curious George Help him discover the hidden world. Use your special pen to fill in the dotted areas revealing invisibly printed pictures and answers. Then match your stickers to the appropriate spot.