:Yikes - tough one. 

 :I see my role as more one of throwing useful stuff together, as well as encouraging others to contribute. I then hope that someone will tidy it. But am not too fussed if it stays messy, as long as it's functional. Yes, I'm an engineer. 

 :My initial thought is that the Hippo water roller is just not a very big topic, and its ideal length may only be a few paragraphs. It's already a very  useful page for anyone wanting information on it. For a more helpful response, perhaps ask at the WikiProject League of Copyeditors or ask a WikiFairy. Also think whether you particularly want to focus on this, or if another International development stub would be benefit more from the work. All these are suggestions only 

 :Sorry I can't be more help. Don't hesitate to ask further.