Pop up kritters were one of the first 16 toys produced by Fisher Price, they were produced between 1936-1948. They originally sold for 25 cents. The Disney Pluto version became the most popular. The bone shaped wooden base is 10 1/2" long buy 2 3/8" wide. Pluto is 7 1/2" from the base to the tip of the tail. This Pluto is missing an ear and was well loved but still works.