The primary instruction is to complete the colored knitting pattern at the top of the screen. To do this, you must first solve a merge puzzle at the bottom by combining spools of the same color and number to create higher-level spools. This process generates usable spools of thread in the middle row. You then tap a generated spool and drag the thread to the matching color section on the knitting pattern to fill it in. The level is won once the entire knitting pattern is completed.
Not covered in this video
A useful tip observed from the gameplay is to focus on creating the specific colors needed for the pattern and to use the generated spools immediately to clear space.