Cleaning your LEGO® bricks and pieces is really easy! We recommend that you clean your LEGO® parts by hand using water no hotter than 104°F / 40°C and a soft cloth or sponge. 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 and you're done!
For electronic parts or other sensitive parts and bricks that contain metal, clean with a cloth moistened with water and a mild detergent without perfume or oil.
A word of warning! Please don't put your LEGO® pieces in the washing machine or dishwasher, and don't try to dry them in the oven, the microwave or with a hair dryer. Also, don't leave them in direct sunlight to dry. When the bricks get really hot they may change shape, which means they won't work anymore!