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. Request any item by URL — paste the Korean store link and we buy it for you; or browse all webtoon merch — 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.