This is a great article by Constance Kamii about what children learn from playing “The Domino Effect”. That is the game they play when they line up dominoes so that pushing the first domino over creates the domino effect wherein all of the others fall over as a result.
We know that children find this effect fascinating, but what mathematical concepts are they learning when they participate in this activity? Read the article to find out and in the meantime, check out this video of 4000 dominoes. Amazing.