Pixilart free online drawing tool.
Just Color free coloring pages.
Google search to find more free coloring pages.
Faber-Castell coloring pages.
Silk interactive generative art (very relaxing).
Draw a Box interactive tutorials to teach anyone how to draw.
Easy Origami Instructions and Diagrams
Origami for Everyone provides step-by-step instructions written by paper-folding experts.
The Spruce Crafts provides free origami tutorials at Origami.