Separate bricks by type if needed
Remove stickers, electronics, motors, and batteries
Rinse loose dirt off with cool or lukewarm water
Fill a basin with warm water and a small amount of mild dish soap
Soak plastic bricks for a few minutes
Gently scrub with a soft brush or cloth
Clean tight spaces with a soft toothbrush
Rinse thoroughly with clean water
Shake off excess water
Air-dry on a towel or drying rack
Let pieces dry completely before reassembling
Avoid hot water, bleach, and harsh chemicals
Avoid dishwashers and dryers for delicate or printed pieces
Clean minifigures and special parts by hand only