Indigo and River have recently discovered the joy of building blocks and have taken to building 'towers'.
River is so sweet, he holds up a piece of LEGO and calls it 'tower'. And if you say 'tower' and Indigo is in earshot she will launch into building a tower straight away (which is incredibly sweet too).
Below are a few pictures of their tower building efforts and the inevitable collapse and destruction of it, that is always almost as much fun as the building of it...