Ummi, can I learn about plumbing?

Assalamu alaykum,
so my older boy is into building with blocks and he loves meccano. He likes anything to do with building and that's include PLUMBING! LOL!
Few days ago, he asked me if he could borrow dh plumbing book. Of course I said yes.
He started reading about plumbing in the house, including a section about 'Plumbing and domestic heating'.
He then went to his bedroom and took all the Lego blocks out and started building a house. He completed it with a flu using a meccano piece.Wow, what can I say more!
I was so impressed! He was so happy with his work that he started reading a new section in the same book about installing a water supply system. Let's pray it doesn't decide to do the real thing!