Reward or entice customers with a free gift
With WooCommerce Free Gift Coupons, you can give away a free item(s) to any customer with the correct code. When a coupon is applied successfully, the free gift is automatically added to the cart.
You can give a gift or a combo discount and gift depending on your coupon configuration. This is a great way to reward specific customers or encourage customers to spend more in order to be eligible for the bonus item. Free Gift Coupons allow all the same Usage Restriction and Usage Limits as other coupon types, such as by email address, minimum cart total, etc.

WPC Composite Products for WooCommerce
Improve your WooCommerce store with WPC Composite Products plugin. Group related products together and offer them as a composite product for an enhanced selling experience.