The short answer: Nano Machine (나노마신) is one of WEBTOON's biggest martial-arts hits, but it has no official English merch store — the official goods are Korean-market items sold by stores that don't ship worldwide. You can read the series in English on WEBTOON, but the goods stay behind a Korea-only checkout. International readers get them through a Korea-side buying service: KOSURAN carries official items you can order directly, and buys anything else on request.

What official Nano Machine merch exists

• Manhwa books and limited-edition volumes — the physical release began in 2024, with first-press editions bundling cover-illustration postcards and character cards.
• Character cards and photocards from those first-press runs.
• Acrylic stands, standees and keyrings of Cheon Yeo-woon and the Mashin Academy cast — the acrylic goods a hit webtoon typically gets when a drop is on.
• Stationery and character goods from platform drops and pop-up events.

With 2M+ readers and one of the platform's highest ratings, the series draws a steady goods line — usually limited runs around volume launches. If a specific item isn't out yet, art books and acrylic goods for popular murim titles typically follow.

How to buy Nano Machine goods from overseas

1. Browse Korean webtoon merch or request any item by URL — official items sourced from Korean stores, in English, priced in USD; if a specific piece isn't listed yet, paste the Korean store link and we'll quote it.
2. We buy from the official store — every item is purchased from the licensed Korean seller, not a reseller.
3. We check, consolidate and ship — checked at our Seoul hub (sealed items stay sealed), then shipped worldwide in one tracked parcel with US customs prepaid.

Official vs fan-made

Resale sites and marketplaces carry unofficial Nano Machine prints and acrylic goods — not licensed, and quality varies. KOSURAN lists official goods from licensed Korean stores only. If a shop is advertising "official" goods at a suspicious price, our authenticity guide shows how to tell them apart.

Collector timing

• First-press volume inserts (cards, postcards) don't restock once the print run sells.
• Pop-up and collab goods rarely reach global retail.
• Preorders ship to our hub on release day; your order leaves once every item has arrived.

Why overseas buyers trust KOSURAN

• Track every step. Your order timeline shows each item move through purchase, Seoul-hub check, consolidation, customs, and dispatch — no black box after you pay.
• Wrong or damaged? We make it right. Store credit back immediately (no return shipping needed), or a refund to your original payment method — and if we sent the wrong item, we cover the return.
• Real support within 24 hours (99% of the time), in English.
• Fast, tracked delivery — about 2 business days from our Seoul hub to your door by express courier (UPS/DHL), not weeks by sea.