"Pop Goes the Weasel" Marble Machine August 30, 2015 iteration Lego Makey Makey Marble Machine programming Scratch WeDo +
"Musical" Marble Machine August 21, 2015 engineering iteration Lego Marble Machine programming Scratch tinkering WeDo +
LightLogo: A Logo Programming Microworld on an Arduino August 07, 2015 Arduino LightLogo Logo NeoPixel programming +
LEGO WeDo Spin Art Turntable July 18, 2015 art constructionist Lego OLPC programming Scratch spin art WeDo XO +