BabyVision Illusions is based on Baby Science which finds that babies can see some illusions from as young as 4-months old. The illusions in this book have been chosen as they are known to be visually interesting to young babies.Building on the success of Look Touch Learn, BabyVision has been developed with a leading university baby lab.Each book in the new BabyVision series is designed to promote early visual development through targeted stimulation, using topics such as repetition, optical illusions, odd one out and sequencing. A bold and contrasting palette of colours is optimally suited to infant retinas, and looks completely different to more traditional books for babies.