How to write the metaphor sentence of shell?

The metaphor of shells can be written like this:

1, the shell is like a beautiful pagoda, which is amazing.

The shell is shaped like a cute little scallop, which makes people want to touch it.

The texture on the shell is like a beautiful picture scroll, which records the traces of years.

The color of the shell is like a gorgeous rainbow, which makes people feel extremely happy.

The hard texture of the shell is like an indestructible shield, protecting its interior.