http://thisissand.com/ - Awesome sand art creator (This was a ton of fun. I spent an hour creating my artwork)

http://weavesilk.com/ - A great inereactive art game (This was another game I spent a ton of time on).

http://bomomo.com/ - Very cool abstract art creator

http://scrapcoloring.com/ - Intereactive coloring pages. Scroll down to the choose an image to click and color (you can also add patterns to the colors).

http://harptoons.com/drawing-videos.html - Scroll up and down to find a video of an image that you would like to follow learn how to draw a character.

http://www.en.origami-club.com/ - Pick an Origami Project to create. There is an option for view a diagram or watch the steps to be done on YouTube.

http://jacksonpollock.org/ - Jackson Pollock action painting.

https://www.pixilart.com/ - Create a picture only using pixels (click start drawing to get started). There are a ton of examples to show you some high level art created through this site.

http://www.abcya.com/abcya_paint.htm - Online Painting  (KG-3rd)

http://www.thinkdraw.com/ - Drag and drop drawing tool.

https://artsology.com/okeeffe-flower-puzzles.php - Fun art puzzles using the artwork of American Artist Georgia O'Keeffe.

http://aminahsworld.org/ - Go to the "create your own artwork" link and create a collage like the featured artist.

https://artsology.com/bezier-art-game.php - Create your own "bezier curve" artwork. Double click to add more points and then click "create" to animate.

https://www.metmuseum.org/art/online-features/metkids/explore/  - Explore the Metropolitan Museum of Art. 

http://www.moma.org/interactives/destination/ - Explore the Modern Museum of Art. 

www.nga.gov/kids - This is not for the computer. If you have an Ipad download this app and there is a ton of free interactive art game (some of the best art games for the Ipad that I have found).

www.onlineschoolscenter.com/art-design-learning-at-home/ - 

https://graffiter.com/app/walls - Choose a wall and create a grafitti masterpiece.