This is a long, thin tube that can be made of metal, plastic, or wood. It has a hole in the side and a small opening at the end. You blow into the small opening to make a sound.
When it comes to coloring this object, use colors that reflect its materials. If the tube is made of metal, use silver or gray colors while using any colors of your choice when it's plastic or wood. Additionally, use bright colors to demonstrate the sound coming out of the small opening if you like. You can also use glitter, patterns, or textures to add richness and depth to the picture. Have fun and experiment with colors as you color this image.