Bundled products or Product kits is a new type of product in GrandNode. With Bundled Products you are able to create a package of independent products with new price. To achieve that, you need to create a new product, then change the Product type from Simple to Bundled Product.
Now fill the short description, full description if you want. When you finish that, please Save changes and continue editing, without it you won't be able to assign product to this bundle.
Go to "Bundle Products" tab and choose which products do you want to offer in this bundle pack.
Finish this process with filling prices or inventory. After that, you will see on the public store: