I have a 6 year old girl and a 10 year old girl and let me tell you i enjoy this book as much as they do this is the cutest book i have ever EVER purchased for my children. I am even buying one to send to my best friend so she can use it on her own kids. I truly believe everyone with young children should have this kit. The gloves that come with it make the kids enjoy the tickling that much more. you will not be sorry if you buy this. I looked at the four star reviews out of curiousity to see what could possibly have made them not rate 5 starts and most of them are complaints that have nothing to do with the book itself. So buy it and enjoy!