Yes! Guess how many bobbins are in this jar and a friend or family member interested in learning to sew will Win 1 hour with me and a sewing machine. They may bring their machine or use one of mine. Learn stitch control, changing a needle, wind a bobbin, trouble shooting, and the ins and outs to keep them sewing. The most important tool in an Absolute Beginners tool box is the Sewing machine.