I watched my daughter with autism in awe. Her history passed through my mind. How hard we've worked. How far she's come. She blended in so easily, shifting attention between the two children on either side of her and the moving pool balls. Did she mess up? Yes. They all did. Yet, her referencing, coordination, co-regulation, motor planning are coming together to let her enjoy a brand new experience. As I stood there watching, I wondered how on earth we'd have tried to teach her to do this (and the other games they played in this play exhibit in the museum) in our aba days.