To use this puzzle, simply take out the 100 pieces and start assembling them to form the 20 key words. The color - coded letters will help you know where each piece goes. If you make a mistake, the self - correcting design will let you know. It's great for kids ages 4 and up to practice spelling and phonics. Keep the puzzle away from water to avoid damage. When not in use, store it in its box. This is a screen - free toy, so encourage kids to use it for visual development and stress relief. Let the original art inspire their learning and imagination.