From what I understand OP has 4 kids, 2 will be enrolled in school, and the parents will get gaurdian visas, which is possible, then the other 2 kids will be homeschooled and she wants to know what visa they can climb on.
Both China and Thailand are 220v so changing plugs is all thats needed and easy to do. If your appliance are if high value or hold sentimental value it would be worth it. If not sell and buy new here.
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