Click a plank to grab it, click again to drop it. Use the left and right arrow keys to turn planks. Get the ball to the exit. Beware, this game is harder than it looks. Featured? wow! the people like it! Here is a link to Architect 2.0 http://scratch.mit.edu/projects/33328614/. Also, you can search for Architect 2.0 which might work better.
Armed only with planks, you are going to get a little steel ball to an exit. Why? because it is addicting. I could not stop "testing" this. Feel free to remix. I have been scrolling through the comments and found that a lot of you have been taking advantage of the "tennis racket" bug. I have fixed that bug.