Hidden word with erasing link

Write a word, symbol or number combination in marker and fill in the clue with an erasable marker to hide it.

Does it require an electronic device? No
  • With a chalkboard (or slate), the indelible message is made with paint, pen or roller pen.
  • After drying, the message can be filled in with chalk or covered over. This technique can also be used on rock, walls or breeze blocks…
  • A similar result can be obtained with a whiteboard, a permanent marker and a dry-erase pen.
Find it here