A domino can knock over another domino about 1.5x larger than itself.
A chain of dominos of increasing size makes a kind of mechanical chain reaction that starts with a tiny push and knocks down an impressively large domino.
Learning outcomes / audience
Small achievements can lead to big results and impacts/(young) entrepreneurs
Original idea by Lorne Whitehead, American Journal of Physics, Vol. 51, page 182 (1983)