With WooCommerce Product Configurator you can create image "layers" using transparent PNGs for each attribute of a variable product.

This template comes with a lot of features. Fully responsive design. The theme was created using HTML5 / CSS3 and Bootstrap. Tons of shortcodes and more.

Swap the select boxes of a variable product for a wonderful multistep form. You can choose between 4 different modules: Steps, Accordion, Tabs, Vertical Steps.