Quote from linked article, published by "The Brick Fan" on 25th of January, 2018:
> It looks like there’s a promotion at Walmart in which you can get a FREE collectible booklet and retro building instructions when you purchase the Bricks on a Roll (10715) set. All you have to do is get the set, go to www.lego60th.com (website down as of this writing)...
> It looks like there’s a promotion at Walmart in which you can get a FREE collectible booklet and retro building instructions when you purchase the Bricks on a Roll (10715) set. All you have to do is get the set, go to www.lego60th.com (website down as of this writing)...