Probably not, but was the first thing I thought of when I read this...
http://www.tomsguide.com/us/beachbot-drawing-robot,news-20279.html#xtor=RSS-5
Replace the rake with a wet brush, assuming it is fast enough to complete the drawing before the lines dry.
Or replace the rake with chalk paint and let it run around Epcot's front plaza before rope drop.
http://www.tomsguide.com/us/beachbot-drawing-robot,news-20279.html#xtor=RSS-5
Replace the rake with a wet brush, assuming it is fast enough to complete the drawing before the lines dry.
Or replace the rake with chalk paint and let it run around Epcot's front plaza before rope drop.