Keywords
abc, alphabet, b, block, blocks, building blocks, c, color, communication, concept, conceptual, consecutive, copy space, educate, education, elementary school, english text, green, indoors, language, learn, learning, letter, letters, literacy, nobody, object, photograph, red, school, selective focus, spelling, square, stack, stacked, still-life, studio, symbol, text, three, three objects, together, toy, toys, united states, white background, yellow, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u18054127