I got to play around with one of these during my stint as a solder monkey for the Tangible Media Group at the MIT Media Lab back in the early 00s. Lots of fun,

I got to play around with one of these during my stint as a solder monkey for the Tangible Media Group at the MIT Media Lab back in the early 00s. Lots of fun, worth trying out. It was, of course, way more expensive than a setup in the early 20s is. EDIT: Found it: https://tangible.media.mit.edu/project/sandscape https://tangible.media.mit.edu/project/sandscape