Harry Potter fans, unite! Walmart has a deal on the LEGO Harry Potter Hogwarts Castle and Grounds this week, and it’s such a rare sale that more than 100 people have it in their carts already.

The set in question is the LEGO Harry Potter Hogwarts Express & Hogsmeade Station Train Set, which has a total of 1,074 pieces and is meant for ages eight and up. It’s currently on sale at ...