The internet can also soothe

[alfreda89]

What fun!

http://www.andrewlipson.com/escher/relativity.html

I may have to get a big box of Legos...

Comments

[kinzel.livejournal.com]

I *knew* there was something useful to be learned from Legos....
and one of the high points of our Guest Of Honor trip to MarsCon in Minneapolis a few years ago (beside the con itself, and the signing at Uncle Hugos) was the visit to the two story Lego store in the Mall of America...