I am constantly amazed while watching the TED talks.
This is an awesome 7 minute presentation.
MIT grad student David Merrill demos Siftables – cookie-sized, computerized tiles you can stack and shuffle in your hands. These future-toys can do math, play music, and talk to their friends, too. Is this the next thing in hands-on learning?
http://www.ted.com/index.php/talks/david_merrill_demos_siftables_the_smart_blocks.html