Here kids are walking over a lighted floor that forms Voronoi regions of all points closer to one child than to any others.
Here are two visitors riding square-wheeled tricycles in circles on a catenary floor. A catenary is the curve of a hanging chain. Inverted, this curve forms the bumps on the floor that smoothly match with the rotating square wheels. It is quite a ride!
Even the restroom sinks have math connections.
Alas, the sole probability and statistics exhibit was a Galton board or quincunx, that was out of service.Karl Pearson, Galton's protégé, illustrated and wrote about in 1895 showing many individually sliding rows of pegs to vary the probabilities of fall to the left and right.