Packed with nature to spot on each page, this book hides secrets that can only be revealed with the use of one of the two different coloured handy viewfinder handglasses! As children look at each scene in the book, they're guided to spot lots of secret animals that are hidden beneath the layers of plants... There are over 350 animals it total. The two layers of artwork have their own distinct colour, the bottom layer is only revealed with the matching coloured viewfinder lens. Includes a wide range of habitats from deserts to rainforests and from the Australian bush to Scandi tundra.