The compare function should have helped you choose just the right product for you. When the product has been identified, click on the image of that product - this will redirect you to the eShop that is selling that particular product.
You may notice that the design of the eShop has changed, however, the top blue bar on the web page will show you that you are still in the TrolleyMania environment.
You can perform two actions once you have selected the product you would like to purchase:
Add the product to your cart and continue shopping by:
Add to Cart;
Click on the TrolleyMania logo found on the TrolleyMania Blue Bar at the top of the web page and continue shopping in TrolleyMania.
Add the product to your cart and proceed to check out.