You should have paid attention in Physics class. Use every law of physics that you know in order to aid you in your quest to get the gem to the exit. Drag the movable objects around and find a place for them in order to clear your way to the exit. Be clever and you'll finish in no time. Watch out though, some levels tend to be more tricky than others. Figure a way to use the laws of physics in your advantage.
· Drag gem/movable object - Click and hold on the object to select, move the mouse to drag, and release the left mouse button to release the object.