價格：免費
檔案大小：201.4 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Didi, a little girl with learning appetite explores the water cycle, the sea and the river.
She learns how the rain and snow is produced and how the water is used from the people.
She discovers amazing creatures in the deep sea as she travels with her submarine.
Finally, near by a river she helps the ships to escape to the open ocean, and the little boat to carry woods to the factory.
Together with Didi your kids will play and enjoy learning!
支援平台：iPhone, iPad