Ключевые слова: activity, age, baby, block, blocks, boys, brick, building, caucasian, cheerful, child, childhood, children, closeup, colorful, concentration, construction, creativity, cute, development, education, elementary, fun, games, girls, growth, happiness, indoors, industry, joy, learning, leisure, lifestyles, males, one, part, person, pile, plastic, playful, playing, portrait, preschool, sitting, small, smiling, toddler, toy,