Grass Cube 01

The Grass Cube 01 card was released in 2003 as part of the Aquapolis expansion, the third set in the e-Card Series of the Pokémon Trading Card Game. This era was defined by the introduction of the Nintendo e-Reader, a device that allowed players to scan dot-code strips on the side of cards to unlock mini-games, Pokédex entries, or musical tracks. The set is notable for its distinct visual aesthetic, featuring a dual-border layout that left room for the technological components while maintaining the classic TCG gameplay mechanics.

The art and design of the e-Reader era were characterized by a departure from the earlier Wizards of the Coast style, favoring cleaner, more modern digital illustrations. As an item in the Trainer category, Grass Cube 01 was designed to provide tactical support within the game, serving as a restorative item specific to Grass-type Pokémon. While it did not reach the iconic status of major character cards, it remains a representative piece of the short-lived experiment to integrate handheld console peripherals directly into physical collectible card games.