The document introduces several free online tools that can be used to enhance a CLIL (Content and Language Integrated Learning) classroom, including tools for mathematics, flashcards, diagrams, mind mapping, spreadsheets, and presentations. It provides links to websites for calculators, flashcards, drawing tools, spreadsheets, and presentation software that can be used to help teachers succeed. It encourages teachers to click, try, and learn how to use the intuitive web tools.