Ключевые слова: answer, assemble, board, brainteaser, breakthrough, cardboard, challenge, collectible, complication, concentration, corners, creativity, difficulty, dilemma, edges, entertainment, explanation, fix, formula, fun, game, hobby, hurdle, image, interlock, issue, jigsaw, logic, mindfulness, obstacle, outcome, pastime, patience, pattern, picture, pieces, problem, puzzle, recreation, remedy, resolution, resolve, result, setback, solution, solve, strategy, struggle, tricky, wooden,