NOTE: International users must change the country using the drop down box on the top left of the page. To request your FREE samples use the small box on the left hand side of the page with the product picture. You can scroll left or right to change the item to choose the sample you'd like to receive (you can choose 1 of 5 free samples). Once you've chosen your item click the small box under the picture marked 'Receive Free Samples'. The sample request form will pop up and then simply fill in your details and submit.
I'm sure you can order them all because i've tried it with no probs. Good luck!