Rainforest frog.

An exotic, rainforest frog. I used a reference photo (see below). As I usually do, I used Polycolor coloured pencils. 

Tired pug.

Drawing made with Polycolor coloured pencils (Kooh-I-Noor). I used a reference photo, which is shown below. 

Shy York.

"Shy York" drawing. I used Polycolor coloured pencils. 

The eye.

Realistic drawing: eye of a horse. I used Kooh-I-Noor Polycolor coloured pencils.