Wally is awesome !!!! I work with children who either lack of concentration or ADS! Especially in the concentration exercise I use the Wally's! Hard to believe how good this book reach the children !!! This Wimmelbücher have a special attraction for the kids !! It's a real challenge to find Wally on each side !! Especially in children aged 6-12 years is Wally to super! In my concentration training children Wally prefer playing !! I myself was very surprised! Even one of my Will take care of young people (16 years) with ADHD, was totally fascinated. He worked the whole book in just 30min. by! Delightfully! Wally is easy to recommend !!