Four Seconds - A timer and a simple rule: stop it at exactly four seconds.
English Grammar Expert - English Grammar Expert app lets you explore an extensive database of English grammar exercises to become an expert in grammar.
Wikids - An encyclopedia that talks to your kids
English Grammar Advanced - English Grammar Advanced app covers a large number of English grammar topics to learn terms such as nouns, pronouns, verbs, adverbs, tenses, adjectives, and much more stuff.
DragonBox Numbers - Teach kids about numbers with an easy and fun game
English Grammar Ultimate - Grammar is the study of words and the ways words work together.