LINES

The line are important in every drawing and you can see them everywhere.The lines can indicate forms as well a movement. Are straight, curve and dotted line. You can use lines to indicate shadow or volume also to draw a contour of an object. 

Here are an example:

Dotted line

Straight line

 Curved lines or Wave lines

 He

Here it is an example of what the kids can do 

PRIMARY AND SECONDARY COLORS

Primary colors are the root  of every other color. The base of colors are yellow, blue, and red and they cannot be created by mixing other colors together. 

The secondary colors result when you are mixed primary colors together. The secondary colors are orange, green and purple.