A guy at work got a Trackstick - they seem cool, but a bit $$ for me (cheaper on ebay though). GPS receiver that records your location regularly with USB port to transfer info easily to your computer.
Some origami links:
origami club -
a parrot
Astronomical Information from Geoscience Australia.
Interesting article on North Korea.
I suspect whether your left / right brained is slightly more complicated, but it a good little test.
Concentration test - just need to stare at it at the faster speeds.