Experiment of December 22, 2017:

The time to submit an answer is over. You can now view the solution of the experiment.

Solution video:



What does Ms. Santa see when she looks through the tube in the direction of the Christmas tree?

A) The hand seems to consist of pine needles.

B) The paper roll seems to be covered with skin from the inside.

C) The paper roll seems to have a hand in the middle.

D) Her hand seems to have a hole in the middle, through which she can see the Christmas tree.