With tape cardboard more tape and marbles these young adventurers created Rube Goldbergs. The goal this time was to see how slow a marble could roll, and to get the marbles from one point to another point.
With tape cardboard more tape and marbles these young adventurers created Rube Goldbergs. The goal this time was to see how slow a marble could roll, and to get the marbles from one point to another point.