Drag a helium balloon around them. Gone.
Grind uncooked white rice in there until the rice comes out clean. Presto.
Put them in a paper bag with a cup of salt. Fold it closed and shake. The dirt will fall right off.
Cover it with a wet paper towel and nuke for 10 seconds. It’ll wipe right up when the cloth cools.
Blast them with a can of compressed air. The kind used to clean computer keyboards. All clean.
Pour cola on it, then wipe with the shiny side of alumium foil.
What a bright idea!
Pour some baking soda inside, followed by a few pours of white vinegar and scrub. All clear!
Rinse them in cold water before washing them with hot water and soap. Sparkle.
Pop it into the microwave while it’s damp and nuke it for one minute. Zap!
Wipe them with a damp dryer sheet which also helps prevent new dust from collecting. Voila!