Daniel: Scratch
Sirena & Thea: String Games & Ball Droppings
Aleksa &  Julian & Connor & Aryeh: Slide show / Scratch
Taylor: Platonic Solids
Devon & Alex & Sam: Website
Davin M.: Self Similar Art
Rory & Francis: Google Sketchup
David F.: Lego Mindstorms
Antonio & Julian: Hydro Car