40% Off First Nerd Block Coupon + $10 Shirt Punch Credit! Posted by Brandy on June 10, 2016. Subscription Box Coupons & Deals / Nerd Block Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Save 40% off Nerd Block Classic through June 15 with coupon code FATHERSDAY40! All Nerd Blocks now come with a $10 credit for ShirtPunch.com! See all our reviews of these boxes to find out more!