Pulling air into the air

A field trip to the Miami Science Museum...  Benjamin pulling Jonah into the air (which os only slightly more difficult than pulling air into the air):

 

We saw the Caberet Mechanical Theatre, a travelling exhibit of handmade wooden toys such as the one below: "Trainee Banana Ripener."

Untitled from SeaBird on Vimeo.

The boys' favorite part was seeing (and spying on) the Wild and Ferocious Male Humans in their natural habitat.  (I had to pull them away - quite embarrassing - "WE WANT TO SPY ON THE WORKING MEN!")

My favorite part is always the wall of baby mangroves, each in their own individual cups of water (below).  I want to do something like this on a shaded outdoor wall of our new house, but am still trying to figure out how.  From a distance - like in the photo - it looks really cool, but those cups are actually plastic and they're attached to the walls with binder clips hanging on nails.  Bleh.  I found test tubes with small holes pre-drilled, but they're $3 each, and when you need a hundred or so....