Jump rings are extremely useful for connecting jewellery components together.

Jewellery Making Starter Kit (Aqua and Pink)
A Starter Kit for Jewellery Making that includes full instructions, jewellery tools and enough beads and findings to make, 2 Strung Necklaces, Bracelets, 5 pairs of Earrings and 1 Wirework Link Bracelet.
Jump rings are extremely useful for connecting jewellery components together.