Dynomighty is basically magnetic jewelry, in which “67 individual magnets are free to arrange and customize into a variety of design combinations and patterns.” Video after the jump.
They are so strong that you can remove a few pieces, hold them in your hand, and move them around from underneath with the open ends of the rest of the jewelry. If they do fall off the pieces won’t go very far and they will most often hold together in groups
[via HackedGadgets – PopGadget]