價格：免費
檔案大小：93.5 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
Tap to change the direction of the line. Draw a ladder don't let the ball fall.
How long can you keep the ball in the air?
And remember, the ball can not hit one horizontal line twice!
支援平台：iPhone, iPad