Nailed it in three again today. Three letters in my first guess, little bit lucky but still Super sweet!
Only one fail so far (a few days ago - I think the answer was Robot). My ten year old daughter is hooked too and it should be great for her vocabulary, and she's trying to get her year 5 class teacher to include it in their morning task along with "countdown" which they already do.
Thanks to the OP of this thread, I doubt I'd have stumbled on it otherwise.