Jewelry having interchangeable decorative elements

A jewelry kit, the jewelry kit comprising:

• jewelry having interchangeable decorative elements, the jewelry comprising:
• a carrier body comprising a holding element, the holding element comprising at least one elastically deformable aperture or opening;
• and
• at least one decorative element comprising:
• a core;
• a retaining bolt protruding from the core, the retaining bolt further comprising a head disposed opposite the core;
• and
• a constriction disposed between the core and the head,
• wherein the at least one elastically deformable aperture or opening of the holding element is configured to receive the head of the at least one decorative element and to project into the constriction upon further insertion of the at least one decorative element;
• and
• a tool for removing a decorative element from the jewelry, the tool comprising:
• a flat base surface;
• and
• an offset region, which is offset with respect to the flat base surface,
• wherein the offset region comprises an actuator pin
• wherein the actuator pin has a cross-section with a maximum length of 1.2 mm.