Gratify your customers with this custom built feature that offers them the possibility to pick the free samples that they want to receive. A lot of perfume and cosmetics brands rely on this type of promotion in order to push their products into their customer's hands. Why use a pre-made selection when you can give them the choice ? 

Customizable for any Shopify cart, this add-on developed by BlackSwan will open a popin on your website with a simple to use UX that will let your customers pick what they want.

After a few clicks, the entire systems integrates with your existing logistics, and you get full control of the products that are offered to your customers, wether you want to require a minimum spending amount, etc.