Brain Fitness Word Search Puzzle is one of ThinkFun's best word games. It's a word search puzzle that you play by yourself, and is one of the best gifts you can buy for anyone who likes smart games and a challenge. It's made with high quality components, and comes with a very clear and easy to understand instruction manual. You'll be able to play within minutes of opening the box. Like all of ThinkFun's games, Brain Fitness Word Search puzzle is built to develop critical thinking skills. Playing through the increasingly difficult challenges will improve logical reasoning and visual perception skills, all through fun gameplay. Brain Fitness Word Search puzzle comes with a challenge booklet, 8 translucent colored word search pieces, and 80 beginner to expert challenges that become increasingly difficult as you play through them.