Best Glue for Lego in October 2021

Lego has kept children, and even some adults occupied for many years. Lego bricks are some of the most fun, versatile and educational toys and can be used in thousands of different ways to foster imagination and creativity. But in some cases, an issue has consistently plagued these toys—they’re not meant to stay together forever!

 

If you love your lego creation, you can preserve it by gluing it all together. It’s important to use only the best lego glue appropriate for plastic and adheres well to both plastic and metal. Or you can easily glue any broken lego pieces together instead of throwing them away.

 

After reading thousands of reviews along with lego enthusiasts’ threads on both Reddit and Quora, we were able to determine the best lego glues.

Top 5 Glue for Lego (Full Reviews)

1. Loctite Ultra Gel Control Super Glue Review

10Expert Score
The best glue for lego

Loctite Ultra Gel Control Super Glue comes in a 0.14 oz tube and is the most popular product. It has a 4.7/5 star rating on Amazon and gets great reviews from parents who've used it to fix their children's toys. It comes with an applicator tip, and you can even mix several tubes at once without causing clogging (this feature is ideal for large lego sets).

This glue is fast drying, so it'll help you achieve the perfect fit without worrying about leaving your creation vulnerable for too long while the pieces dry. This glue also dries clear, so it won't change your bricks' color, which makes it perfect for those who are using clear parts for custom builds.

This glue is non-toxic, which makes it safe to use on toys and surfaces. It's also powerful, so you can rest easy knowing that your creations will stay intact and won't be easily broken.

The only downside is that some people found that the glue took a little while to dry initially, especially when they were gluing large sets. However, this issue could be addressed by mixing several tubes at once or using multiple drops for larger bricks.

Adhesion
10
Ease of use
10
Pros
  • Non-toxic
  • No drip or run
  • Impact and Water resistant
  • Flexible
Cons
  • None

2. Gorilla 7700104 Super Glue Gel Review

9.9Expert Score
Best selling glue for lego

Gorilla Super Glue Gel, with its long nozzle applicator, comes in a 0.71 oz / 20 -gram tube and is an Amazon's Choice product. It has a 4.7/5 star rating on Amazon, along with over 20,000 five-star reviews.

This glue is ideal for those who want complete control over their gluing process and want to apply the glue without wasting any of it easily. The long nozzle applicator allows you to reach tight spots, such as around smaller lego pieces or along edges where you have small gaps.

One of the biggest benefits of this product is that it can be used on both plastic and metal, making it ideal for lego fans who want to glue metal pieces together. It also dries fast, which will allow you to achieve the exact look you want. This glue is also powerful and won't break easily, so you can rest easy knowing that your creations will stay in one piece.

A few reviewers found that the drying process took a little longer than expected but most agreed that it was helpful to use two drops of glue per piece for larger sets.

Adhesion
9.9
Ease of use
9.9
Pros
  • Non-toxic
  • 10 seconds to dry
  • Super strong
  • Anti clog cap
Cons
  • Dries really fast

3. Gorilla White Glue Pen Review

9.8Expert Score
Best value glue for lego

Gorilla White Glue Pen is fast drying and comes in a plastic applicator with a brush tip. It's easy to use: Apply the glue directly to plastic parts or surfaces, such as lego tiles, and watch it dry immediately.

This glue is non-toxic, so it's safe for children to use; plus, it dries clear so you won't have any unsightly white residue on your creations. This glue has a 4.5/5 star rating on Amazon with over 380 reviews. Most of the reviews are positive and mention that this pen is great for gluing small pieces together (such as around Star Wars characters) or fixing broken parts of giant lego sets.

This glue is strong, so you don't have to worry about your creations breaking apart. It's also easy to use, and the applicator tip makes it simple to apply directly to surfaces.

This glue does have a downside: the drying time. Although most reviewers found that the glue dried very quickly, some mentioned that it was too fast and could leave pieces vulnerable for a little while it dries, which could be problematic if you're using a large, complex set.

Adhesion
9.8
Ease of use
9.7
Pros
  • Best value
  • Non-toxic
  • Expands 3x more in material
  • Waterproof
Cons
  • Ideal for white blocks since it leaves a white residue

4. Krazy Glue KG48348MR Maximum Bond Review

9.7Expert Score
Best Budget glue for lego

Krazy Glue comes in a 5-gram tube and is about as strong as super glue. It's a 4.7/5 star rated product on Amazon with over 500 reviews. This glue is ideal for those who want something easy to use and fast-drying but can't get their hands on Loctite Ultra Gel Control Super Glue.

This glue can be used on most surfaces and plastics, including legos. It's highly durable and won't break easily (even underwater), making it one of the strongest types of glues for toys you can find in stores. This glue is perfect for those who want to make custom creations from scratch or repairs large sets that may have been broken over time.

The price of this glue is what makes it stand out compared to the competition. This glue is sold at a low price point, making it ideal for those who don't want to break the bank on a product like Loctite.

Overall, this glue gets great reviews, and most people find that it comes in handy if they're making custom builds or repairing larger sets.

Adhesion
9.6
Ease of use
10
Pros
  • Non-toxic
  • Very strong bond
  • Awesome price
  • Water resistant
  • High temperature resistant
  • Precision tip
  • Made in Japan
Cons
  • Instructions were not very accurate.

5. Elmer’s E455 Extra-Strength Spray Adhesive Review

9.6Expert Score
Honorable mention

Elmer's Spray Adhesive is a glue that delivers superior performance, particularly when used on materials that are difficult to adhere together. It comes in a 13.5-ounce can and is available at an affordable price.

This product uses an innovative formula, which gives it the ability to deliver quick-drying adhesion without leaving residue behind. It also allows you to reuse the spray multiple times. Because this glue comes with a locking tip, you won't have to worry about any of it accidentally spraying while in your bag or carrying case.
Elmer's glue is ideal for those who want something that glues well but isn't as strong as Gorilla Glue

Adhesion
9.6
Ease of use
9.8
Pros
  • Easy-to-Use
  • Fast tack formula
  • Great for long lasting bonds
  • Dries clear
  • No yellowing or bleeding
  • Ergonomic application
Cons
  • Bond not as strong

Factors to Consider When Buying Glue for Lego

When buying glue for Lego, there are several things that you should take into account. Here are four of the most important factors to keep in mind:

Type of Lego You’ll Be Gluing.

One of the most important factors to keep in mind when buying glues for legos is how strong you need them to be. As mentioned above, there are two major types of glues: super glue and epoxy. The stronger the glue is, the longer it will hold together your creations. In some cases, this may even be an issue for parents who want to give their children safe toys but don’t want them breaking quickly.

 

You should also consider how many bricks you’ll be gluing at once. If you’re working on a small Lego toy that requires only a few bricks to construct, this won’t be an issue. However, you should keep in mind that the more bricks you have to put together, the greater chance there is that your creation will fall apart.

Type of Lego You’re Repairing

Another factor to keep in mind has to do with the type of brick you’re trying to adhere back together. This could mean looking into different glues if it’s a newer construction and glue won’t stick well or if it’s an older set and glue will cause damage to it.

 

Newer construction Lego bricks contain different materials. The glue will stick well to this type of Lego, but if you’re repairing a vintage or decaying brick with old and crumbling material, you may want to opt for epoxy glue instead of superglue because it’s a harder material.

Heat and Cold Conditions

It is also important to know whether you will be working on your creations in cold temperatures or heat conditions. For example, the super glue can actually lose its adhesiveness in cold weather if it’s exposed to freezing temps for extended periods of time. However, it can also become stronger due to the same conditions while remaining indoors. The same is true of heat.

 

You should also know that super glue will become more viscid or runny in hot conditions. This means that the moisture content of the air can affect its quality. Be sure to keep these factors in mind and to test your creation before using it since you don’t want it to fall apart or warp at a crucial moment.

 

Most Popular Lego Gluing Methods

You should also be aware that there are two common gluing Lego methods together: the first is known as “dry fit,” while the second is referred to as “wet fit.”

 

Dry Fit Often Used for Repairing Sets or Customizing Pieces

When people talk about dry fit, they usually refer to when one or more models are assembled prior to gluing them on a surface for play or display. Dry fit is a common way to assemble Lego sets before they’re put on display, and it helps to avoid having the pieces come apart due to friction and shifting.

 

This type of fit is also useful when trying to customize different pieces for a custom-made creation. For example, you can use dry fit to determine the best way to arrange different pieces together before you achieve the final look you want.

 

Wet Fit Often Used for Repairs and Restorations of Sets

On the other hand, wet fit refers to gluing Lego bricks together after they’ve already been assembled. This is often used to repair or restore sets, but it can also be used in the same manner as dry fit.

 

Wet fit is also referred to as “rescue” or “making good.” For example, when you have an older set that’s falling apart, and you want to fix it, you’ll use wet fit to attach the pieces back together.

 

Frequently Asked Questions about Glue for Lego

Finding the best Lego glue is a matter of knowing where to look for it. The most convenient place to find the glue you’re looking for is online. You’ll find that several websites like Amazon offer the glue you need at a reasonable price.

The strongest Lego glue would have to be the Loctite Ultra Gel Control Super Glue. This glue won’t break easily at all, so you can rest easy knowing that your creations will stay intact and won’t be easily broken.

When it comes time to repair your Lego sets, you should first clean the area that needs fixing with rubbing alcohol or glass cleaner. After you’ve cleaned the area, apply a drop of glue on the surface and hold it there until it dries.

This depends on the type of glue you use. For example, Loctite glue will dry in about 30 seconds. However, other glues may take up to a few minutes to dry. It’s important to know how long a glue takes to dry before you’re applying it, so you can let the glue dry and then test it before using it again.

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