Nerd Block Jr. Grab Block is Here! Posted by Brandy on March 26, 2015. Subscription Box Coupons & Deals / Arcade Block Coupons / Horror Block Coupons / Nerd Block Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Nerd Block’s mystery box offering, the Grab Block, is here, just for the Jrs! Grab Blocks are $10.99 and will include 6+ items from previous Nerd Block Jr. Blocks. Sale runs through March 29, or while supplies last!