I have 2 questions regarding the twin blocks offered in the shop:

Is there any possibility to increase the size (height) of the blocks? see below for example:

https://dereferer.me/?https://dereferer.me/?http://anonym.to/?https://dereferer.me/?https://dereferer.me/?http://www.capeldental.co.uk/treatments/orthodontics-gallery.html
https://dereferer.me/?https://dereferer.me/?http://anonym.to/?https://dereferer.me/?https://dereferer.me/?http://www.palaceplainorthodontists.co.uk/orthodontic-treatment-options-norfolk-suffolk.php

Can the top be a different colour than the bottom?

thanks in advance,