Water-Soluble Colored Pencils Set

[Format] Professional e-commerce product main image, square 1:1, bright stationery-advertising style on a clean white ground with colorful product rainbow energy. [Colors] Clean white background (#ffffff range); primary accent vivid blue and purple for banners; the pencil set supplies a full rainbow spectrum; a purple corner banner, blue claim pills and purple footer bands structure the type; No frame border. [Layout] A purple "Free Shipping" pill sits top-left; a red arrow tag points down beside it; three blue claim pills stack down the right; the open black tin case with two rows of pencils fills the centre at a slight tilt; blue and purple footer banners run across the bottom with a purple price circle at the right. [Subject] No people. An open black metal storage tin holding dozens of water-soluble colored pencils in two neat rows, white-barrelled bodies with color-coded tips and colored butt-ends spanning red, orange, yellow, green, blue, violet and pink; the trays angle outward slightly for depth. [Headline] Blue pills on the right in white text: "Strong Water Solubility", "Pure True Colors", "Easy to Lay Down". Red arrow tag top-left: "Instant $20 Off" in white on red. Bottom banners: a blue strip reading "Officially Authorized — Genuine Product" in white, a purple strip reading "Water-Soluble Colored Pencils" in bold white caps. [Badges] Purple circle at bottom-right: "Promo Price" curved small above "$59" in very large white numerals. [Mood] Cheerful, precise and creative; bright white clarity with a rainbow of pencil color and confident deal-forward banners.