Nice idea! I like the concept! It is nice to have some different mechanics and things to consider to achieve the goal, and the implementation of the anvil is very fitting!
I like the Textures/Models as well.
However I got a bit frustrated because of the collision while placing the items and had problems to make it on time because of that, so it was impacting the gameplay. And also I got a bit confused over the instructions on the anvils, because I placed what was asked but it didn't work. I don't know if it was just a placement/collision problem or If I misunderstood.
But anyway - I think it its a solid game with a nice idea! :)
Well done