LEGOs aren’t likely to melt under normal conditions, but they can melt in extreme heat. Most modern LEGO bricks are made from ABS plastic, which has a melting point of 221⁰F (105⁰C). And at 320⁰F (160⁰C), LEGOs will have surpassed the melting point and the plastic will be liquified.
Does boiling water melt Lego?
The boiling temperature of water is 212 Fahrenheit (100 Celsius). The melting point of ABS plastic (the material LEGO is made of) is 176 Fahrenheit (80 Celsius). Therefore LEGO should NEVER be put in water that reaches boiling point or anywhere close to it.
Is melting Legos toxic?
The Lego bricks go up in flames a lot faster than the Lego vehicles. While it’s fun to watch Lego pieces melt in videos, don’t try this at home. Melting plastic smells awful and the fumes can be toxic. Best to leave it up to the professionals.
Is it safe to store Legos in the attic?
Avoid storing Lego bricks in your attic. The daily temperature range and extreme heat of summer can potentially damage the bricks. Remove all batteries from Lego electronics before medium or long term storage.
Do LEGOs burn?
Also note that LEGO is definitely flammable. Once it starts to combust, it will burn on its own! I would recommend heating and melting wax in a container so that it’s JUST above the melting point and trying it out on a LEGO piece you don’t mind losing (in case it does deform a bit).
Can you wash LEGO?
We recommend that you clean your LEGO parts by hand at max. 104°F / 40°C. Higher temperatures may affect the quality of the parts. You can add a mild detergent to the water – please rinse them well with clear water afterwards.