VirtueMart Product Builder 2.3.1 + cart hack + orders hack DEMO With VirtueMart product builder the user could create custom products selecting their parts, from existing product groups. Also predefined bundles of products could be created and purchased. A good example is a computer which consists of different parts that the user have to select. The idea is to create groups of products from your Virtuemart e-shop. The end-user would have to select among a list of products from each group to create his own product as he wants. Another capacity of VM product builder is the creation of product bundles from the backend which can be purchased by the user.