Kid art makes some of the BEST art! Kids are fearless and unapologetic with creativity and that makes their art amazing! For example take a look at "Fox With a Sword" by my daughter Alee when she was six. The original was done with markers. I used carbon paper (remember carbon paper?) to trace it onto an 8X10 canvas, filled in the color with acrylic paints, and found a cool antique frame for it. 
To see the full process click here