This pin is a part of the Characters in the Park Series.   When held up to the light the stained glass element of the pin is transparent.
Little Green Men / LGM / Aliens, Andy Davis, Hamm, Mr. Potato Head, Bonnie, Bullseye, Mrs. Potato head, Jessie (The Yodeling Cowgirl) are shown on this pin.   They're in the park, sitting on a red and white checkered picnic mat. Andy is wearing a blue shirt and trousers. He is holding Hamm  in his hand while Bonnie is holding Jessie and Bullseye. Mr. and Mrs. Potato Head, and Alien is at the bottom. We see a brown box and a red lunch box on the mat. The background has bushes and a light blue stained glass.