Sunday, June 6, 2010

Invisible Ink


5 comments:

  1. Dear Miss Cao,
    I tried this experiment but it failed.

    ReplyDelete
  2. Dear Miss Cao,

    I do not understand?

    ReplyDelete
  3. miss cao i do have that book at home,but i tried it's still failed

    ReplyDelete
  4. I have the same book.
    I have done this experiment and did not fail I ask my maid to help me put it near the stove and in about 8-10 minutes was done!
    Belle

    ReplyDelete