Well, this is a falling sand toy I’m making while learning AS3 with Flixel. I KNOW IT’S NOT THE FIRST OF IT’S KIND. Thank you for playing!

I’d be glad to get some feedback :)

Google WireWorld for data about how to build circuits. People made computers with this!

Instructions
Click anywhere to add pixels.
Click the buttons on the right to change the element.
W/S (Or mouse wheel, if you feel adventurous) changes the brush size.
A/D changes the zoom level!

Updates
DEC 19, 2010 3:24PM
v0.9

Added electrical Heater/Cooler
Added Acid Rain
Added Gas
Weakened Acid
Added Replace
Tweaked Electricity on large metal objects