The museum had special events in the atrium throughout the day. Our favorite was probably the cup tower building exercise. At first Robby and the girls tried to build a tower together. But, Sabrina kept removing the cups and Catherine kept rearranging the cups, all while Robby was seriously trying to beat the "museum record" of a 25 cup tall tower.

So we separated the three tower builders:

It worked A LOT better when each of the "kids" built their own towers!!