Solution video for calendar door number 18:

Calendar door number 18

The question is:

What does Mr. Santa see when he slides the transparent film from right to left across the printout?

For today's question you need the following pdf-file:

PiA2015_Experiment_18.pdf

Latest submission time: Friday 18 December, 2015, 23:00 PM

Unfortunately, a solution for this question can no longer be submitted!

Answer
A) A tree falls over counter-clockwise.

Answer
B) A person walks from left to right.

Answer
C) A little person climbs onto a box.

Correct answer Answer
D) A star rotates clock-wise.