From Bulbanews, your community Pokémon newspaper.
Daisuki Club members can purchase it online for 18,900 Yen
Limited edition Eevee Nintendo 3DS LL
To commemorate the Pokémon Center's 15th anniversary, a limited edition Eevee Nintendo 3DS LL will be made available for online purchase starting from July 20 at 11:20 a.m.. Registered members of the Pokémon Daisuki Club can purchase the console at a cost of ¥18,900 on the official Japanese Pokémon website.
It does not come with the AC Adapter and must be purchased separately. It cannot be purchased through the Pokémon Daisuki Club Mobile Edition. Only one may be received with purchase.