 A special green-colored edition was sold at Japanese Toys-R-Us stores, available either paired with a matching Akai series toy or alone.The Tamagotchi Kakeibo (超やりくりエンジョイ！たまごっちかけいぼ chō yarikuri enjoi!tamagotchi kakeibo) is an accessory for the Entama-generation Tamagotchi toys released in Japan.