Here is a coloring page for kids of a musical triangle which you can download for free.
Triangle Coloring Page for Kids
To download the page and print this coloring page, right-click on either of the buttons below and press 'save link as' (or similar based on your web browser.)
The triangle is a fun and easy instrument to play. I hope you enjoy this coloring page and if you like it then be sure to share it with others!