✔️ Bobbin type: Sewing machines traditionally offered front-loading bobbins, but today, many machines have a drop-in bobbin, which is easier to operate for beginners. ✔️ Machine weight and size: Sewing machines can vary in size and weight dramatically—we tested machines that are under 5 pounds and others over 70 pounds! If you plan to bring your machine to sewing classes or quilting groups, look at the machine's weight and carrying features like a handle or included case.