We are five little items of an everyday sort. You'll find us all in, a tennis court.
To obtain the final coordinates, enter your answer into Certitude. Include commas but, Do not include spaces.
You can validate your puzzle solution with
certitude.
You'll be looking for a bison tube of a color chosen to blend in with its surroundings. Please do not remove the container from its host. 
Good luck & Happy caching!