As a teacher, you certainly need a good media to teach your students attractively. It can happen in the coloring practice. The children usually like to color the picture they like. Thus, it is suggested for you to try Sonic the Hedgehog coloring pages.
Well, Sonic the Hedgehog is a video game with some interesting feature. It has a protagonist character named Sonic. It has a great and inviting look for children. So, you, as a teacher, can choose this character to colour by your students.
They must like this character much. You can just provide the line art. Just give them the new or classic sonic coloring pages as they like.