NATURE - Our "My Early Learning Library" series has clear photos of nature to encourage word recognition (2+), Our "Play and Learn Sticker Activity" features leaves, acorns, flowers, squirrels owls, snails, plus .insects and bugs. (Age 3+). Our "Fold-Out Poster Sticker Books" series features a giant double-sided poster/wall chart and mini posters of sharks, baby animals, dinosaurs, pets, and wild animals. (Age 6+); The perfect intro to animals is the "Junior Animal Atlas". (Age 7+)