I think there will be soon one art contest back for the members to come up with new exciting arts for Mr.Roo 
There is no upcoming worldwide holiday that Roobet can celebrate, so I don't think there is an upcoming contest that will be held next month, unless otherwise Roobet has a one big hell of event that's cooking to celebrate their launch. But yeah, I am missing the event and I still look forward for whatever theme is about to launch.Would it be nice to create a 3D Roo? -- just to spice some things up.
So if you are interested in 3D Mr.Roo model that will be really interesting to see what you come up with and the art could be in any format.