Shake-a-Phrase: Fun With Words and Sentences ($1.99) Shake-a-Phrase teaches vocabulary and parts of speech for ages 8+. Features over 2,000 words and definitions. • Shake It: creates a new random sentence every time you shake - great for discovering new words. Just tap for definitions! • Story Starter: shake up the beginning of a story & let your imagination take over. • Quiz Me: test your skills with adjectives, verbs, nouns, prepositions & conjunctions.