There are several ways you can complete level 23. You can make a path with just a single line above the gaps, or fill the gaps with some rectangles, or even take the ball through each gap. Either way is not a difficult level to complete. Take a look at the video below if you still can't pass level 23.
Physics Drop Level 23 Walkthrough, Solution, Cheats for Android, iPhone, iPad, iPod. Note: This is "Physics Drop" by "IDC Games"