The Collector Series is a range of miniatures already painted by an artist.
The model is already painted and is as seen on the pictures. No modifications can be done.
For more information on the model itself, you can check the links provided to have scales

Model painted by Maxime Croteau - https://www.instagram.com/madmaxminiature/.

Model:

The Hunter and the Bear by Prey Collection Studio

3D Printed by MadMaxMiniatures in high quality resin at 75mm scale  and stands 130mm high from bottom to the top of the bear.