If you wait a year or two before doing it again its almost just as hard i use post a note flags to indicate where i find each because at the back of each book it gets harder an you forget how many you have found plus if you set the book down for a day or so you can pick up where you left off. Find helpful customer reviews and review ratings for brain games picture puzzles 4 how many differences can you find volume 4 at amazoncom read honest and unbiased product reviews from our users. Brain games picture puzzles how many differences can you find is a challenging puzzle book designed to test your powers of observation each puzzle has two or more pictures that seemingly are identical but subtle changes have been made to one of the pictures its up to you to find the differences. Cant find all the changes no problem solutions to all the puzzles are provided in the final section of the book the book is spiral bound and handy to use no matter whether you are at home on public transportation in a long security line at the airport or relaxing at poolside or on the beach take along brain gamesr picture puzzles . Picture puzzles theyre fun challenging and addictingyoull see what we mean just open your book compare pictures and find the differences before long youll only have eyes for picture puzzles
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