This handy little contraption works wonders! It is a SideWinder portable bobbin winder. It winds your bobbins quickly and easily without ever using your sewing machine. Don't stop in the middle of sewing and undo your thread to wind another bobbin, use the SideWinder. Runs on 2 AA batteries (not included)or plug it in with the AC adapter which is included! This is the Limited Edition pink Breast Cancer version. You also get an added bonus – pink scissors and a pink tape measure. Part of the proceeds of this limited edition SideWinder go towards Breast Cancer research.