I loved it as a kid and I love it as an adult. Cousin Audrey showed Leo around on his first visit here.
Standing in the Angel Columns (do you see the figures?) /Audrey playing with black sand
Watching the discs roll down the slope (something to do with inertia)
Inside a kaleidoscope
Some REALLY good jumpers inside the shadow making machine
Leo, Audrey & Ted show off their arch-making skills