Kindergarten playground, sandbox area, kids aged 4-6, playing, laughing, energetic, sandbox with wooden boundaries, bright colored buckets and shovels, scattered sandcastles, gentle breeze, sunny day, warm ambient light, shallow depth of field, soft focus on background, blurred trees, natural texture, rough wooden planks, smooth sand surface, vibrant playground equipment, slide, swing set, climbing frame, colorful rubber mats, joyful atmosphere.