Product Bundles is suitable for creating product packages with static content: All bundled products are pre-defined, and customers may only configure quantities and attributes, or pick from a list of optional items. If you want to build product kits that consist of several components with multiple product options, then Composite Products might be a better choice.
Give customers the power to build their own products with Composite Products: The most flexible, robust product builder for WooCommerce. Engineered specifically for kit-building applications with advanced inventory management requirements, Composite Products lets you utilize existing products to create the most engaging product kits and configurable products.