Join Wally and his friends for a fun day at the museum. This fantastic collection of favourite Wally scenes challenges readers to spot over 500 differences, ranging from tricky to fiendish to diabolical! Join Wally for a day at the museum! Oggle at artefacts and gawp at galleries as you search for Wally and his friends. And that's not all: this book contains double the trouble, with over 500 challenging differences to spot! The ultimate test for eagle-eyed Wally-Watchers, this brilliant book will help you experience the World of Wally in a whole new way!