I need a basket of orders that works exactly the same as on the ozonator.pl website
In the product tabs, there are prices and buttons to add to the basket. Among the products with a price, there are also those that do not have a price, but these can also be added to the basket.
There can be five "add to basket" buttons on one subpage.
By adding products to the basket, the list of products is complemented in the basket and the value of the basket is added up.
From the basket the only option that appears is to send the order, i.e. without payment, account registration, etc.
The website ozonator.pl best illustrates my needs
Important: the products page has in "Pages" and I can add any code corresponding to the functionality of the described basket. It's good if the message was integrated with contact form 7, but it is not mandatory.
Please, submit price proposals with the date of implementation.