40% Off First Nerd Block Coupon – This Weekend Only! Posted by Brandy on September 3, 2016. Subscription Box Coupons & Deals / Labor Day Subscription Box Deals / Nerd Block Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification This weekend only ave 40% off Nerd Block Classic or Arcade Block with coupon code LABORDAY40! All Nerd Blocks now come with a $10 credit for ShirtPunch.com! See all our reviews of these boxes to find out more!