The Sandbox

Description
The perfect timewaster. I KNOW IT’S NOT THE FIRST OF IT’S KIND. Thank you for playing! I’d be glad to get some feedback, as I intend to improve the game :) 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.
Use the arrow keys to move the cursor more precisely.
W/S (Or mouse wheel, if you feel adventurous) changes the brush size.
A/D changes the zoom level!
BACKSPACE changes between the last three elements selected =)