75+ Best LEGO Sets Under $20 for Affordable Gifts

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Our household is a Lego household. My husband has long been an avid Lego builder and collector and he has instilled that love of Legos in our children.

I know Legos can be expensive but we have learned some ways to stretch our money and get the best value on the Lego sets we do buy. I have even discovered there are many Lego sets under $20 – which make wonderful gifts or additions to a Lego collection.

Legos are an investment but as frugal as I am, this is one instance where I would not recommend buying a cheaper version. Legos are a high quality toy and they are built to last. The basic Lego blocks allow so much creativity in young children. I believe every household should have some Legos!

Cheap Lego Sets Under $20 this …
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How do we save money on Legos? There are a couple ways to find cheap Legos. 

First and most importantly, watch for sales on Legos. This happens more often than you think it will! If you find a great sale on Legos (at any time throughout the year), buy the set and set it aside for a birthday or Christmas. The sales really do run year round! You can also find random Lego sets on clearance so it is worth always checking those aisles when you shop.

Second, add Lego sets to your child’s birthday or Christmas wish lists. If your child loves Legos, suggest Legos as a gift idea to Grandparents, Aunts or Uncles. In our family, the Uncles especially love giving Legos!

Another way to find deals on Legos is to always watch for Legos at garage sales or kid’s resale shops. I once bought a paper size box of Legos for $10 at a garage sale – an amazing bargain! Just keep your eyes open because you never know what you will find. You can also buy Lego sets on Ebay, although those might not be as cheap – depending on who is selling them. However, if you are looking for a certain set, Ebay is worth checking out.

Finally, if you are looking to buy cheap Lego sets without waiting and watching, here are some of the best Lego sets under $20.

I searched online for Lego sets regularly priced under $20. Some of the Lego sets are even under $10! These are affordable Lego gifts for birthdays or Christmas – to start a collection or add to an existing one.

There are Lego sets for everyone – as you will see in this list of Lego sets under $20. 

Note: These prices are current as of September 2026. Prices do vary so this post will be updated as the kits change. 

Classic Lego Sets Under $20

Here are several classic kit options, all priced under $20 when this list was updated. These Lego sets are perfect for a new builder or a child who wants to add to their Lego collection…because you can never have too many basic bricks.

Legos under 20 for All Ages

Disney Lego Sets Under $20

If you have a Disney lover in your family, check out some of these adorable Lego sets! These do vary by the year and season, and revolve around whatever movie is coming out. If your child loves a particular Disney movie, watch for corresponding Lego sets and buy them when they are available.

Popular Character LEGO Sets Under $20

Some of the most popular Lego sets feature characters children already know and love. Whether your child enjoys Star Wars, Minecraft, Super Mario, Harry Potter, or NINJAGO, there are plenty of character Lego sets available for under $20. These smaller sets make affordable birthday gifts, Christmas presents or stocking stuffers for Lego fans.

Lego Gift Ideas Under $20

City Lego Sets Under $20

Lego City is one of the largest themes in the Lego catalog, with vehicles and buildings that can be combined to create an entire city. Many of the smaller vehicles are available for under $20, and some cost less than $10, making it possible to pair two small sets for one affordable gift.

Lego Friends Sets Under $20

Lego Friends sets are especially fun for children who enjoy animals, shops, vehicles and imaginative storytelling. There are plenty of small Lego Friends sets available for under $20, making them affordable gifts for birthdays, Christmas or any Lego collection.

Legos and Duplos Under $20

Lego Creator 3 in 1 Sets Under $20

Lego Creator 3-in-1 sets are some of my favorite choices for getting more value from a small Lego set. Each kit includes instructions for three different builds, so children can take it apart and create something new. Our son has enjoyed these sets since kindergarten, and several are still available for under $20.

Duplo Lego Sets Under $20

Don’t forget that Duplos are great for kids too young for Legos! Duplos, like Legos, are built to last for many years and many kids! General Duplo sets are just over $20 but often go on sale for under $20, so keep an eye out for those! Here are some DUPLO sets that were priced under $20 when this list was last updated.

Do you have any favorite Lego sets that are under $20—or any tips for finding inexpensive Lego deals? If you’re looking for even more budget-friendly gift ideas, check out these thoughtful gifts under $10 and stocking stuffers under $5 for everyone on your list.

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