As if solving the first puzzle was not easy enough, the second puzzle can be solved like below. Just need to draw two boxes. One Box connecting the two towers and another to set the ball rolling.
This seems to be like a tutorial to solving the demo version of crayon physics, but dont limit your creativity to these solutions. Do explore more fun ways to solve these puzzles.
Actually dont just think of these as puzzles, they are a kind of art with purpose. The purpose of the art is to collect the star:) So wat are u waiting for pickup the crayons and start sketching.