If you are an intermediate or advanced learner, the Grammar Cubes Puzzle book offers you: • Clear grammar explanations and rules. • 10 cubes to solve for each Grammar Learning Objective. • Empty cube boards to make up new ones for each grammar learning objective. • Sentences to build and comprehend. • Vocabulary enrichment opportunities. • Answer sheet at the end of the book. • If you are an English teacher, then this book offers you the opportunity to incorporate the grammar cubes to curriculum objectives to assess students´learning. • Develop cooperative group work. • Better your sentence building, writing and public speaking skills. • A lot of illustrations.