Answer: to make lecture about mathematics and more precisely about the essence of topology. If one has the piece of paper, we can easily construct the Möbius strip, from which one can easily build double-twisted strip, from which one can get two entangled ring, from which…
One can continue to the infinity. This lecture is the prototype of lectures at SciEd, which one can design not only on mathematics, but also on any subject. The idea is – to use as least amount of devices to show the beauty of subject just by inspiring children imagination.