Poster has a brown/black.blue background surrounded by a blue border at the left, pink at the top, yellow at the right and pink and green at the bottom. At the top of the poster is "Festival At The Lake Presents" in white and "Discovery" in a variety of colors. Below the text are stylized, colorful images that appear to have been drawn by a child. The images include rocket ships, planet eath, the moon, a dinosaur, planets, an alien and a figure in an astronaut helmet. Below the drawings is "Festival" in a variety of colors. At the bottom of the poster is white text. At the left is "Enter A World Of Adventure At The Discovery Festival!" followed by events taking place at the festival, business logos, media partner names and credits. At the right is "October 6&7, 1990 / 10am to 6pm, Lakeside Park / Lake Merritt, Oakland, CaUSA" followed by admissions cost, special offers and transportation information.