website with etch-a-sketch functionality
Features include:
-show grid borders
-change between 8 preset colors or a custom color
-gradient mode (start at normal color and gradually add more black with each pass over same square)
-can use any color for gradient mode
-random colors over each square
-click and drag to leave a trail (instead of default hover)
-resize amount of squares in the grid
-reset to blank grid
-all checkbox options can be combined (random + gradient will show random colors that gradually fade to black per gradient rules)