Here's a walkthrough of the levels 7 - 12 for the game Joining Hands for iPhone and iPad. this will give you helpful hints, tips and tactics that you will be able to solve level quickly.
This guide is part of a complete walkthroughs which players created exclusively for Joining Hands for iPhone and iPad, to see other available click here
I think this video will help you to complete Joining Hands levels 7 - 12 and gives you hints to the next level.
If you would like to share other ways to beat levels 7 - 12 in joining hands or to share your high scorein this level, feel free to post here.