diff --git a/mods/tool_pixel_behavior.js b/mods/tool_pixel_behavior.js
new file mode 100644
index 00000000..6f322c11
--- /dev/null
+++ b/mods/tool_pixel_behavior.js
@@ -0,0 +1,46 @@
+elements.lookup.tick = function(pixel) {
+	//console.log(`### Tick ${pixelTicks} ###`);
+	//console.log(`Storing coordinates`);
+	var pX = pixel.x;
+	var pY = pixel.y;
+	//console.log(`Position (${pX},${pY})`);
+	//console.log(`Iterating`);
+	var neighborArray = [];
+	for(i = 0; i < adjacentCoords.length; i++) {
+		//console.log(`i: ${i}`);
+		//console.log(`Initialized array`);
+		var coord = adjacentCoords[i];
+		//console.log(`Offset pair: ${coord}`);
+		var oX = coord[0];
+		var oY = coord[1];
+		//console.log(`Stored offset pair`);
+		var nX = pX+oX;
+		var nY = pY+oY;
+		//console.log(`Final coordinates: (${nX},${nY}) (index ${i})`);
+		if(isEmpty(nX,nY,true)) {
+			//console.log(`Skipping empty pixel (${nX},${nY})`);
+			continue;
+		} else {
+			//console.log(`Found pixel at (${nX},${nY})`);
+			var newPixel = pixelMap[nX][nY];
+			//console.log(`Pixel stored`);
+			var newElement = newPixel.element;
+			//console.log(`Element is ${newElement}, running exclusion check;`);
+			if(newElement !== pixel.element) { //exclude self
+				//console.log(`Element is different, storing in array;`);
+				neighborArray.push(newElement); //build array of valid neighbors
+			};
+			//console.log("Finding iteration done");
+		};
+		//console.log("End of for block (not loop)");
+	};
+	//console.log(`Loop done: ${neighborArray}`);
+	if(neighborArray.length > 0) {
+		var changeToElement = neighborArray[Math.floor(Math.random() * neighborArray.length)];
+		changePixel(pixel,changeToElement);
+	};
+};
+
+/*elements.pointer.behavior = [
+	"XX|XX|XX","XX|CH:paint|XX","XX|XX|XX"
+];*/
\ No newline at end of file