Collect the flags with the little red ball to complete a level. Move the red ball by drawing objects and pushing it around. Hold down the left mouse button to draw. You cannot draw inside other objects. To draw a circle, hold the left mouse button where you want the center to be. Pins and hinges connect objects, and a hinge allows rotation. You can put them on the ball too. Hold S, left click to place the pin. Then draw a figure on top. Hold D, left click to place the hinge. Then draw a figure on top. Hold A and click inside a shape to erase it.