You're looking at zazzle.co.uk's Micro Organisms postcard page, where you can find a fantastic range of Micro Organisms postcards, ready for customisation or to buy just as they are. Make your message extra special by customising your Micro Organisms postcards with your own unique designs, pictures and text. To see some of the other products available on zazzle.co.uk, check out our main micro organisms page. No minimum order size. Most postcards are made within 24 hours in the UK and are delivered within 2-3 days!