Stock photography, photos: jigsaw puzzle Stock photos of hand holding a jigsaw piece of a key with a lock and door jigsaw in the background Photograph: © Rob Wilkinson Click for a larger image and more information Keywords associated with this stock photo: puzzle, game, amusement, solve, uncertainty, colorful, piece, shape, problem, solving, solution, incomplete, cooperation, weakness, answer, idea, opportunity, uncertain, possibility, goal, important, thought, concept, conceptual, blank, empty, space, key, unusual, miss, jigsaw, missing, key, lock, housing, house, home owner, ownership, unlock, first time buyer, house buyer, property,