Perspective

I mentioned the other day that the girls didn't believe the tree we put up was the same tree from the old house. It's too small, the other tree was bigger. I tried to explain the ceiling is much higher in this house, but they didn't believe me. Then a few days ago Fat Brain Toys posted this:

I showed it to Tamarin and I think it began to click. I just had to share it. Tomorrow I think we will do the train illusion where you make the tracks get closer together at one end of the paper like it's going off into the distance. We'll probably do this too: