Turn your photo into a pencil drawing in Photoshop

1- Open Photoshop.

2- Select your photo.

3- Right click on your photo in the layers tab and select duplicate layer.

4- Go to filters > Blue > Smart Blur.

5- Adjust your image to smooth out the defined lines and shapes in your photo.

6-  Next we need to adjust the levels. Go to Image > Adjustments >  Levels. (Ctrl+L)

7- Adjust the levels to again smooth out your image. 26 - 1.30 - 240 9s a good place to start then adjust accordingly.

8- Next We need to duplicate the layer again. Right click the first duplicate layer and copy it.

9- Go to Filter > filter gallery.

10- Select brush strokes > Accented Edges. Adjust the edge width, edge brightness and smoothness.

11- This will give you the final coloured pencil look.

To create a black and white pencil effect.
12- With your original image duplicate the layer.

13- Select the adjustment button and then select the hue/saturation option.

14- Adjust the saturation to the lowest possible option. This will make your photo black and white.

15- Next, select the blend mode option and then select color dodge.

16- With your duplicate layer selected use Ctrl + I to invert your image.

17- your image will go white, this is fine. Go to Filter > Blur > Gaussian Blur.

18-  A new window will appear. Adjust the radius. This will start to create your penciled effect.

19- Select the Adjustment icon again, this time select Levels.

20-  Adjust the levels to create contrast.

21- Your pencil effect is now finished.