[Looks alright to her. It's not too thin or jagged or anything like that, it's 'just right'.

Pointing at the different points of the block and describing what to do is one way to go about this, but then Fuuko remembers she has a star with her already. Why tell someone what to do when they can work towards a reference?

So here it is, one completed wooden starfish, ready to be copied!]

Work towards this! Fuuko has realised you don't need any help with the basics as you seem to know what you're doing. Instead, just get as close to this shape as you can!