On the occasion of the imminent May 17 celebration got
On the occasion of the imminent May 17th celebration, we had the children in the oldest group color flags that were hung on the window. I also took the chance to color this flag.
Then I asked the children to stare at the three dots for about 30 seconds before they looked up at a bright surface (ceiling or wall), several of the children managed it. So here comes an optical illusion that can amaze children and adults repeatedly!