This is pretty cool: Behold the WhiteBoard PONG by 3D software development company ENESS of Australia. It's a regular whiteboard and regular whiteboard markers, coupled with a computer that can sense and recognize black shapes to compute how the virtual ball should behave.
NEATOSHOP'S HUGE SALE - Save up to 20% Off All Shirts!
Save big on Funny Shirts, Science Shirts, Sci-fi Sshirts & more! Hurry: Sale ends soon!