Materials you need to prepare cleaning glass activity may include:
1. One bucket.
2. One squeegee (the size should be small and easy for children to grasp)
3. One spray bottle (filled with water. You may also put a few drops of white vinegar.)
4. A few cleaning cloth (you may put on in the bucket and put others away as replacements).
Don't forget to open the lock before putting the work set on the shelf for children.