It is a really awesome puzzle/strategy game that involves the use of physics. Physics is a type of science that you use each day. You will learn more about it in high school.
Check out this video and learn more about the game. Then post your own thoughts on the game, if you could incorporate some of this game play in your own games and how you would do this.
Here is a game called Magic Pen that is similar to Crayon Physics Deluxe.
Check it out! http://magic.pen.fizzlebot.com/