Lego bricks should not go in the dishwasher as the heat can warp and damage them. Hand washing with mild detergent is recommended.

Lego, the world-renowned line of construction toys, has been a staple in children’s playrooms and collectors’ shelves for decades.

Despite their durability for play, cleaning them does require a gentle touch.

While it may be tempting to toss these plastic bricks into the dishwasher for a thorough clean, it is strongly advised against.

The high heat of a dishwasher cycle can cause the Lego pieces to become deformed, which can affect how they fit together and ultimately, their usability.

By steering clear of the dishwasher and manually washing your Legos, you ensure the longevity and continued enjoyment of these imaginative toys.

Remember to dry them completely to prevent mold and discoloration, and keep your precious sets intact for years of creative building.

Can Lego Go in the Dishwasher?: Safe Cleaning Tips

Risks Of Washing Lego Pieces In The Dishwasher

Lego pieces may endure varying degrees of heat and moisture exposure, but dishwashers can exceed these thresholds, leading to potential damage to delicate pieces.

The intense environment inside a dishwasher, with its high temperatures and potent detergents, might cause thin or intricate Lego parts to warp or become brittle.

Discoloration or fading is another considerable risk when placing Lego bricks in the dishwasher.

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The vibrant colors of Lego pieces may deteriorate under harsh conditions, as the plastic might not withstand chemical exposure to dishwasher soap and hot water, leading to a loss of the original aesthetic of the pieces.

Furthermore, Lego sets often contain small parts that can become dislodged and lost in the dishwasher.

These minute components might slip through racks and filter systems, resulting in potential blockages or the necessity for a replacement of rare or unique elements.

Safe Alternative Cleaning Methods For Lego

Cleaning Lego bricks by hand is recommended to maintain their quality and ensure they are not exposed to harsh conditions.

Using mild soap and warm water is often sufficient to remove dirt and grime.

Gently scrub the pieces with a soft-bristled brush or cloth to avoid scratching the surface.

Another effective technique for washing Lego sets involves placing them within a mesh laundry bag.

This method offers protection during machine washing. Set the machine to a gentle cycle, with cool water to prevent warping or discoloration of the Lego pieces.

After cleaning, it is essential to properly dry the Legos to prevent mold or water spots.

Air-drying techniques are preferable; spread the Lego pieces out on a clean towel or a drying rack, ensuring they are not overlapping.

Allow sufficient time for them to dry completely before reassembling or storing.

Precautions To Take Before Cleaning Lego Pieces

Before placing Lego bricks in the dishwasher, it’s essential to organize them according to size and type.

This prevents smaller pieces from slipping through the rack and ensures a thorough clean.

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Separate larger pieces from smaller ones, and consider placing tiny components into a dishwasher-safe mesh bag or container to prevent loss.

Always examine your Lego sets for any electrical elements before cleaning.

These parts cannot be exposed to water and should be meticulously cleaned by hand.

It is vital to remove such elements to prevent damage to the set or dishwasher.

Stickers and decals on Lego pieces may not withstand the heat and water pressure in a dishwasher.

To preserve the aesthetics of your Lego, peel off any applied stickers or decals prior to machine washing.

This protects the adhesive and print, maintaining the condition of your Lego set post-cleaning.

Frequently Asked Questions Of Can Lego Go In The Dishwasher

Is Lego Dishwasher Safe?

Lego pieces are not recommended for dishwashing as the heat can warp or damage the plastic.

What Is The Best Way To Clean Lego Bricks?

Hand-wash Lego bricks with mild soap and warm water, then let them air dry.

Can Lego Get Ruined By Water?

Lego bricks themselves are water-resistant but can get water spots; prolonged exposure may affect color and grip.

Are There Risks To Washing Lego In Machines?

Washing machines or dishwashers can cause Lego pieces to become scratched, warped, or discolored.


Cleaning your Lego blocks doesn’t have to be a chore.

Although dishwashers may seem convenient, risks to the bricks’ integrity suggest hand washing is the safer choice.

Following the guidelines outlined above will ensure your Lego sets remain in prime condition, ready for your next build.

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Keep your cherished pieces brilliant and long-lasting by choosing the proper cleaning method.

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