Ключевые слова: background, brainteaser, challenge, children, design, drawing, education, enter, entrance, exercise, exit, find, game, geometric, graphic, illustration, image, intricate, isolated, jigsaw, kids, labyrinth, leisure, line, logical, maze, medium, mental, mess, mix, mystery, object, originative, paper, pastime, play, problem, puzzle, puzzling, quadrate, quiz, rebus, red, sconundrum, search, square, template, way, white,