1. First, Lego Mario was washed separately according to categories, and the disinfectant was mixed with clean water at a ratio of 2: 8.

2. Secondly, soak for 10 minute, and use a soft brush to remove the stubborn residues in the bumps and round holes.

3. Finally, change the water twice to remove surface stains and disinfectant residues, and dry it with a dry rag.