Pattern Blocks 1

I have seen pattern blocks used widely on maths edu-twitter but I haven't had a chance to work with a set my self. At BCME 9 there were some sets in the workshop area so I had a play.

I made some fish:

We tessellated some rhombuses:

My new friend Laura started to tessellate some hexagons:

More Squares and rhombuses:

I vaguely remembered someone on twitter showing some dodecagon constructions so I had a go at making some of them:

I enjoyed playing with these a lot. Now for the real question, is this maths?