Ключевые слова: background, basic, block, blocks, card, color, concept, construction, create, cube, cubes, develop, elementary, example, festive, figure, game, heart, holiday, idea, illuminated, learn, light, love, message, object, play, puzzle, red, relationship, romance, romantic, row, sample, score, shape, sign, smart, square, stack, stacked, symbol, symbolic, text, toy, valentine, wooden, word,