Magento 2 Grouped Product with Custom Options supports adding simple products with custom options to a grouped product.
- Associate simple products with custom options to a grouped product
- Show options of Simple product when customers choose quantity
- Enable to show/hide images of products
- Link to product pages when clicking images of associated items
http://magentoexpertforum.com/attach...tid=6359&stc=1
Give it a try!