The Invisible Ink book is loaded with puzzling cases and mysterious crimes for hours of armchair detective entertainment. Test your powers of deduction using the included Invisible Ink Pen that reveals hidden answers and secret information. Invisible Ink books are great for travel, quiet time, or classroom fun!
C**L
Great fun for all ages!
Had these books when I was a child 30 yrs ago and now my 8 yr old is enjoying them. I do some with her so I still get to enjoy them. There are many games to play and they are perfect for a car ride or airplane ride, to pass the time. I'm so glad they are still in production! They make great stocking stuffers and bday gift add-ons. Now that I know I can get them on Amazon, we'll be purchasing them again.
C**S
Product worked great and grandchildren loved them!
Purchased this for a long road trip with our two 8-10 year old grandsons and it kept them busy coming and going. Also we enjoyed doing the games with them. Educational and fun.
A**R
Awesome old school game!
Cool old school game! My 10 year old neice loved it.
C**N
Worth it
Good time killer in car
H**Y
Fun Fun
love the puzzles
N**M
Perfect for traveling
I always had one of these books for when I traveled when I was younger. Now that I have kids of my own, I wanted them to experience the fun too, but could never find them in any stores. So glad I found them on Amazon!!
A**N
Pen doesn't work well
Entertaining but the special pen doesn't work well
Trustpilot
2 weeks ago
2 weeks ago