Such an amazing talented group of kids:
I played in a marimba band in college (I played the bass marimba, they don't have one of those in this group, the bass marimba is HUGE but such fun)
This brought back lots of fun memories when I played with "Crazy Tony and the Bar Bangers!"
We were nowhere as good as these kids (Except for Tony who majored in percussion naturally) we just did it for fun.
and this: http://www.ebaumsworld.com/flash/supercoolpicillusion.html
I am in utter, spellbinding AWE of this artist's talent and vision