This is the View-Master reel titled "Andy Panda in Mystery Tracks" #822 dated 1955.
The reel contains:
~My Sand Tracks Show Everywhere I've Been!"
~ "I know Whose These Are Charly Chicken's!"
~"Hi Charley! Let's Follow Tracks In The Sand!.
~"Wow! Look at Those Tracks! It Must Be A Monster!"
~"The Sandpile Must Be The Monster's Home!"
~"Who's A Monster!" Roared Wally Walrus.
~"Come On Andy We'd Better Make Tracks Ourselves, And Fast!"
This reel is in good pre-owned condition in a blue and white sleeve but has some slight moisture damage of the cardboard.