ThinkGeek is offering these Red Circuit Board Cufflinks for just $31.99 plus extra shipping or get free shipping on orders over $75. Sales tax where applicable. Expires soon or while supplies last.

Why this deal is hot:
These Red Circuit Board Cufflinks are 20% off the retail price. These cufflinks would make an excellent Christmas gift for the geek in your life! Each cufflink is little over half an inch (16mm) square.