mini sewing machineSew, change or decorate clothes, curtains or tablecloths however you like.main feature:1. Requires 4 x 1.5V AA batteries (not included). Please pay attention to the order of the positive and negative poles of the battery. or DC 6V power adapter (not included).2. Make sure your fabric is 1.8mm thick. Fabrics that are too large, too stiff, or too soft cannot be sewn.3. The metal gear has high strength, low noise and is not easy to slip.Kind tips:1. This machine is a single-thread sewing machine without bottom thread, so it needs to be knotted at the beginning and end after sewing, otherwise the thread is easy to fall off.2. Batteries must not be mixed with other brands or old and new batteries.3. The thickness of the fabric is less than or equal to 1.8mm, and fabrics that are too thick or too thin cannot be used.4. Materials that are not suitable for sewing: Stretchy (such as nylon stockings) or very thin fabrics that will fall into the sewing machine, or very thick or stiff fabrics (which may even damage the machine).5. Please refer to the instruction manual and threading instructions, as incorrect threading will cause the sewing machine to not work properly.packing list:Mini sewing machine*1, coil*9 (random color), needle threader*1, large thread rod*1, machine needle*1, pins*10, soft ruler*1, scissors*1, English manual*1, English color box *1