Pokemon TCG (Japanese): Ninja Spinner Booster Box (M4, 30 Packs)

Sealed Japanese Pokemon TCG Ninja Spinner Booster Box, the fourth main set (M4) in the current Mega Evolution era, released in Japan on March 13, 2026.

What's inside:

- 30 Japanese booster packs per box

- 5 cards per pack

- Japanese language edition

- Set code: M4 (Ninja Spinner)

Featured chase cards across the set:

- Mega Greninja ex (350 HP) with the signature Mortal Shuriken attack, the headline chase of the set

- Supporting Water and Dark-type Pokemon ex tied to the Greninja / ninja theme

- Special Art Rare Trainer cards and cosmos-style holo patterns typical of recent Mega Evolution era sets

- Potential secret rares straight out of the box

Japanese Pokemon TCG packs contain fewer cards than English packs but have a higher ratio of holo and ex hits, which makes them a popular format for collectors chasing specific alt arts. Packrat is a UK-based TCG specialist. Every order is dispatched the next working day from our UK warehouse, with free shipping on orders over £50. All stock is genuine and sourced from authorised distributors or trusted import channels.