Here are some more picks of the playground:
As you enter...
That is a giant, deep, foamy hole...
Front view of the castle:
Back view:
The bowl swing:
The sand pit (with a fountain nearby):
The spinny thing:
There's instruments too.
These are giant metal tubes you can hit with gaint mallets to make really nice chords:
There's also a xylophone and some plastic tube drums.