18 Edit 18 is a super rectangle and usally makes 3 by 6. Special Edit 18 is a super rectangle and he likes to go fast. it seems the taller he is the faster he is. he is 12's brother. Saying Edit I'm 18, I'm a speed machine. Retrieved from "https://number-blocks.fandom.com/wiki/Number_18?oldid=200" Categories: Teen number Super rectangle Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.