Kids will learn to: • Understand cause and effect relationships • Reinforce decoding skills and practice  sight word recognition • Understand non-fiction concepts like behaviors, characteristics, and adaptations of animals is a step-by-step learn-to-read program that takes kids aged 4-7 from letter recognition all the way up to independent reading. With four distinct stages, choosing the box set that’s just right for your new reader is simple. The sets in build reading comprehension and help children read on their own. The simple stories, decodable words, picture cues, and bright, colorful artwork make it easy to raise a confident, happy reader! : Sets 1, 2 Sets 3, 4, 5 Sets 6, 7, 8 Sets 9, 10, 11, 12