Illustrate a scene of a group of friends from the 1980s enjoying a picnic in the park, surrounded by retro candies and snacks, including sour candies like Sour Jolly Ranchers and Sour Gummies, with a warm and sunny atmosphere.

Design a retro-style poster advertising a new flavor of sour candies, featuring a bold and eye-catching design, bright colors, and a playful font, with a background image of a classic arcade game or a vintage-style television set.

Create an illustration of a nostalgic candy store from the 1980s, filled with iconic retro candies, including sour candies like Warheads, Sour Patch Kids, and Sour Skittles, with a bright and colorful background and a sense of nostalgia and whimsy.