Brain Games Kids, Grade 4, Get Your Brains In Gear The puzzles and challenges in Brain Games for Kids are arranged by level of difficulty, from 1 to 5. Solutions are provided. The book offers the following types of puzzles: Anagrams, Crossword puzzles, Language puzzles, Logic puzzles, Math puzzles, Brain Games for Kids promotes these areas of learning for children: Analysis, Attention Computation, Creative thinking, General knowledge,