3 drop-down menu in a block?

Hello,

I am testing your plugins
“Pofily – Woocommerce Product Filters”

I want to create a block with 3 metaboxes?

as in the picture here ->

https://d.pr/i/tqiuO1

because in the back office we create like this ->

https://d.pr/i/dcplec

is it possible to create a block with 3 drop-down menus?

like here ->

https://d.pr/i/6CWyjF

here is the plugins that I use on this site ->

Thank you