Product details attributes

Hi all,
does anybody know how can i place select box with attributes (color-> blue, green, red…) on a product detail page?

Many thanks in advance

https://www.oxid-esales.com/en/support-services/documentation-and-help/archive-oxid-eshop/managing-products-and-categories/create-various-versions-of-a-product/setting-up-variants-of-a-product.html

Thanks leofonic very much