Product of the Weekend
Here's Lilah showing how it works. She created such a masterpiece, her parents framed her outfit along with her painting.
(I'm going to start posting something fun from the mental_floss store each weekend. By next week, we'll have a special coupon code for these items, but for now, you can get 15% off with the code TWITTER. And if you send us a picture of yourself posing with mental_floss stuff, perhaps you'll end up featured here—we're at email@example.com.)