The spinner allows you to create a variety of jewelry pieces, including bracelets, anklets, necklaces, keychains, and more. Since the spinner lets you choose when to trim the string, you can create jewelry of custom lengths. Trim the string after one cycle to create a bracelet or keychain, or allow it to spin for several cycles to create a long necklace. Soon, your child will be able to fill her entire jewelry box with custom pieces.In addition, the spinner uses elastic string, which ensures the jewelry always fits comfortably. Set includes: Whirl "n Wear Charms Spectacular Spinner stringing machine, 37 large charms, 48 small charms, 12 end fasteners, 3 keychain attachments, 4 large spacers, 4 small spacers, and 9-1/2 feet of clear elastic string.Each of the three themed refill packs includes 20 large shape charms, 24 small shape charms, 6 end fasteners, 6 1/2 feet of clear, elastic string, 2 keychain attachments and 1 foot of elastic band string.