Buy additional blocks for your personalized block bracelet or necklace and switch out the word, numbers, initials or name based on your mood or the occasion. Blocks are available in letters A-Z, numbers 0-9, Symbols #, ? ! +, &, -> (arrow), ❤️ (heart) Note that 14k blocks are custom made. Please allow 3-4 weeks for production. /!/ 6.5mm blocks These blocks are solid 14k yellow, rose, or white gold and require 3-4 weeks for production.