20% Off First Nerd Block, or Junior Blocks Coupon! Posted by Brandy on April 6, 2016. Subscription Box Coupons & Deals Make the first comment! Hello Subscription independently researches and reviews the best subscriptions and products. Things you buy through our links may earn us a commission. Save for LaterGo to commentsNotification Save 20% on Nerd Block, Nerd Block Jr. Girls, or Nerd Block Jr. Boys for a limited time! Use coupon code NERDYBIRD20! See all our reviews of these boxes to find out more!