Instructions: Choose the puzzles to add to your worksheet (top area). Be sure to explore the different tabs for different types of brain teasers and riddles. Then add your options (bottom area) and press the 'Build my worksheet' button. If you have a favorite riddle that is not in our list, feel free to add it using the 'add my own' link below. If you have questions, check out the FAQ's tab, or leave your suggestions in the comments box at the bottom of the page.