Prepare a container, add baking soda, add hot water to melt, then add nursing liquid and stir evenly to make fairy water.

Mix the laundry detergent and detergent according to the ratio of 1: 1, and then add a proper amount of salt.

First, prepare a proper amount of laundry detergent, then pour in detergent, and mix detergent and laundry detergent according to the ratio of 1: 1. Finally, add a proper amount of salt and stir well, and a portion of fairy water will be ready.

Stir well with contact lens care solution and baking soda.

Pour a proper amount of contact lens care solution into the box, then pour a proper amount of baking soda and stir well, and the fairy water will be ready. Finally, add glue, and the styrofoam is ready.