Ключевые слова: abstract, activity, art, background, brain, brainteaser, challenge, children, color, concept, conundrum, design, direction, doubt, education, entrance, entry, exit, find, game, gaming, geometric, graphic, illustration, image, isolated, jigsaw, kids, labyrinth, leisure, line, maze, medium, mystery, play, puzzle, rectangle, rectangular, road, search, shape, success, task, template, test, training, wall, way, white,