Black Friday may technically be a few days away still, but deals are already flooding in. Amazon's Black Friday discounts launched last week, and now Walmart is joining in on the early Black Friday deals.

Lego is forever. Modern Lego sets include classic worlds like Lego City, franchise collaborations with beloved characters like Super Mario, and exciting new adventures in Lego Dreamzzz, where shark ships ply the skies.

This Black Friday, we're a little obsessed with Lego. And with so many great Black Friday deals on science and STEM-themed Lego sets — including the Botanicals range, nature-themed sets, animals, space and more — we wanted to share them with you.

Whether for kids or adults, Legos make generous gifts for just about anyone on your list, and now’s the time to stock up. Below, we rounded up 21 sets worth buying today starting at just $12 — hurry and add them to your cart.

With early Black Friday sales unfolding at Walmart and beyond, now is the time to start ticking gifts off the holiday shopping list. Any parent with a Lego-obsessed kid knows the sound of Legos scraping in the box. There are few better times throughout the year to add more Legos to the war chest.

Here are the best Black Friday Lego deals I've found so far on Lego Star Wars, Marvel and space sets from a range of trusted retailers.

Walmart’s Black Friday toy deals include top brands like Barbie, Hot Wheels, Lego, and more up to 78 percent off. Shop our top toy picks for Harry Potter, Spider Man, Bluey fans under $100 while price

Walmart's early Black Friday sale is now live for all shoppers! Save up to 70% on Lego, Gotham Steel, Henckels, Sunbeam and more.

Walmart is teasing this year's deals with a 10-episode 'adver-tainment' series starring Chad Michael Murray, Ian Somerhalder and others

BestReviews has reviewed and tested many toys, so you’ll want to check in regularly to get the most up-to-date list of Black Friday toy deals. Some of the top deals include the LEGO Harry Potter Hogwarts Castle and Grounds and the Fisher-Price Princess Ariel’s Light-Up Sea Carriage.

The Lego Star Wars Pirate Snub Fighter set should be $34.99, but there's a 30% saving to be had on Amazon this Black Friday.