Mushrooms aren't always ugly by KimberlyJDC, via Flickr
Here's a drawing project that could be great for relaxation and expression, especially for teens!
Complicated doodle in greens and black by yael360.deviantart.com on @deviantART
Doodle13.jpg from Hello Angel
ZENDOODLE wish I had time to doodle like this
$12.80 Original Zentangle Halloween Pumpkin Artwork Matted 8" x 10" | eBay