diff --git a/tests/unit/effects/effects.html b/tests/unit/effects/effects.html
index 0879a98b2..84fecd9cc 100644
--- a/tests/unit/effects/effects.html
+++ b/tests/unit/effects/effects.html
@@ -38,10 +38,13 @@
 		.test {
 			background: #000;
 			border: 0;
+			width: 100px;
+			height: 100px;
 		}
 		.testAddBorder {
 			border: 10px solid #000;
 		}
+		.testChildren,
 		.testChangeBackground {
 			background: #fff;
 		}
diff --git a/tests/unit/effects/effects_core.js b/tests/unit/effects/effects_core.js
index 8d2e8f8df..ed9fbf9ba 100644
--- a/tests/unit/effects/effects_core.js
+++ b/tests/unit/effects/effects_core.js
@@ -77,12 +77,12 @@ asyncTest( "animateClass works with colors", function() {
 		count = 0;
 	expect(2);
 	test.toggleClass("testChangeBackground", duration, function() {
-		present( test.css("backgroundColor"), [ "#ffffff", "rgb(255, 255, 255)" ], "Color is final" );
+		present( test.css("backgroundColor"), [ "#ffffff", "#fff", "rgb(255, 255, 255)" ], "Color is final" );
 		start();
 	});
 	setTimeout(function() {
 		var color = test.css("backgroundColor");
-		notPresent( color, [ "#000000", "#ffffff", "rgb(0, 0, 0)", "rgb(255,255,255)" ],
+		notPresent( color, [ "#000000", "#ffffff", "#000", "#fff", "rgb(0, 0, 0)", "rgb(255,255,255)" ],
 			"Color is not endpoints in middle." );
 	}, mid);
 });
@@ -92,19 +92,20 @@ asyncTest( "animateClass works with children", function() {
 		h2 = test.find("h2");
 
 	expect(4);
+	setTimeout(function() {
+		notPresent( h2.css("fontSize"), ["10px","20px"], "Font size is neither endpoint when in middle.");
+	}, mid);
 	test.toggleClass("testChildren", { children: true, duration: duration, complete: function() {
 		equal( h2.css("fontSize"), "20px", "Text size is final during complete");
 		test.toggleClass("testChildren", duration, function() {
 			equal( h2.css("fontSize"), "10px", "Text size revertted after class removed");
+
 			start();
 		});
 		setTimeout(function() {
-			equal( h2.css("fontSize"), "20px", "Text size unchanged with children: undefined" );
+			equal( h2.css("fontSize"), "20px", "Text size unchanged during animate with children: undefined" );
 		}, mid);
 	}});
-	setTimeout(function() {
-		notPresent( h2.css("fontSize"), ["10px","20px"], "Font size is neither endpoint when in middle.");
-	}, mid);
 });
 
 })(jQuery);
diff --git a/ui/jquery.effects.core.js b/ui/jquery.effects.core.js
index 638119579..7650aa8f4 100644
--- a/ui/jquery.effects.core.js
+++ b/ui/jquery.effects.core.js
@@ -451,7 +451,7 @@ $.extend( $.effects, {
 	setTransition: function( element, list, factor, value ) {
 		value = value || {};
 		$.each( list, function(i, x){
-			unit = element.cssUnit( x );
+			var unit = element.cssUnit( x );
 			if ( unit[ 0 ] > 0 ) value[ x ] = unit[ 0 ] * factor + unit[ 1 ];
 		});
 		return value;
diff --git a/ui/jquery.effects.scale.js b/ui/jquery.effects.scale.js
index 843aa2241..b5c49ce7c 100644
--- a/ui/jquery.effects.scale.js
+++ b/ui/jquery.effects.scale.js
@@ -115,11 +115,15 @@ $.effects.effect.size = function( o ) {
 			restore = o.restore || false,
 			scale = o.scale || 'both',
 			origin = o.origin,
-			original = {
-				height: el.height(), 
-				width: el.width()
-			},
-			baseline, factor;
+			original, baseline, factor;
+
+		if ( mode === "show" ) {
+			el.show();
+		}
+		original = {
+			height: el.height(), 
+			width: el.width()
+		};
 
 		el.from = o.from || original;
 		el.to = o.to || original;
@@ -149,14 +153,14 @@ $.effects.effect.size = function( o ) {
 		if ( scale == 'box' || scale == 'both' ) {
 
 			// Vertical props scaling
-			if ( factor.from.y != factor.to.y ) { 
+			if ( factor.from.y !== factor.to.y ) { 
 				props = props.concat( vProps );
 				el.from = $.effects.setTransition( el, vProps, factor.from.y, el.from );
 				el.to = $.effects.setTransition( el, vProps, factor.to.y, el.to );
 			};
 
 			// Horizontal props scaling
-			if ( factor.from.x != factor.to.x ) { 
+			if ( factor.from.x !== factor.to.x ) { 
 				props = props.concat( hProps );
 				el.from = $.effects.setTransition( el, hProps, factor.from.x, el.from );
 				el.to = $.effects.setTransition( el, hProps, factor.to.x, el.to );
@@ -167,7 +171,7 @@ $.effects.effect.size = function( o ) {
 		if ( scale == 'content' || scale == 'both' ) { 
 
 			// Vertical props scaling
-			if ( factor.from.y != factor.to.y ) { 
+			if ( factor.from.y !== factor.to.y ) { 
 				props = props.concat( cProps );
 				el.from = $.effects.setTransition( el, cProps, factor.from.y, el.from );
 				el.to = $.effects.setTransition( el, cProps, factor.to.y, el.to );