Ключевые слова: baby, background, balance, blue, built structure, child, childhood, children, clown, colorful, colors, colourful, constructing, construction, doll, dolltumbler, education, educational, face, figure, fun, funny, game, gravity, green, happy, happyness, joy, kids, leisure, leisure activity, leisure games, nobody, orange, play, playtime, pyramid, pyramids, red, ring, rings, set, smiling, stack, stacked, toy, toys, tumbler, vertical, wobble, yellow,