private void bubbleClicked(object s, MouseButtonEventArgs e)
		{
			var shellSize = ROOT_explosion.RenderSize.Largest() * 2;
			
			var bubble = s.RequireType<Ellipse>();
			lastSelectedTheme = bubble.Tag.RequireType<AccentedMaterialSet>();

			var cursor = Mouse.GetPosition(ROOT_explosion);
			var explosionBubble = new Ellipse()
			{
				Width = 1,
				Height = 1,
				Fill = bubble.Fill,
				HorizontalAlignment = HorizontalAlignment.Left,
				VerticalAlignment = VerticalAlignment.Top,
				//RenderTransformOrigin = new Point(.5, .5),
				Margin = new Thickness(cursor.X, cursor.Y, 0, 0),
				RenderTransform = new ScaleTransform(1, 1, .5, .5)
			};
			ROOT_explosion.Children.Add(explosionBubble);

			//bubble.RenderTransform.animate(ScaleTransform.ScaleXProperty, 400, 1, 0, new BackEase
			//		{ EasingMode = EasingMode.EaseInOut, Amplitude = .3}, by:1.2);
			//bubble.RenderTransform.animate(ScaleTransform.ScaleYProperty, 400, 1, 0, new BackEase
			//		{ EasingMode = EasingMode.EaseInOut, Amplitude = .3}, by:1.2);

			explosionBubble.RenderTransform.animate(ScaleTransform.ScaleXProperty, 400, shellSize, 0, new BackEase
					{ EasingMode = EasingMode.EaseInOut, Amplitude = .3});
			explosionBubble.RenderTransform.animate(ScaleTransform.ScaleYProperty, 400, shellSize , 0, new BackEase
					{ EasingMode = EasingMode.EaseInOut, Amplitude = .3}, OnExplode);
			explosionBubble.animate(OpacityProperty, 200, 0, 500, new CubicEase
					{ EasingMode = EasingMode.EaseIn}, OnExplodeComplete);
		}