The central illustration features the Barbapapa family gathered in a bright, grassy field for a birthday celebration. The characters are distinct, amorphous, multi-colored creatures with simple facial expressions. A large pink Barbapapa holds a cake topped with three lit candles, while the other family members surround it, holding gifts, flowers, and a book. To the right, another pink family member floats in the air, tethered to a large, yellow, puzzle-piece-shaped balloon.
The scene is set in an idyllic outdoor landscape with a light blue sky and a gentle, rolling green meadow. A brown tree stands on the right, housing a colorful toucan, while various butterflies flutter through the air. Smaller animals, including a spotted dog, a white kitten, another white puppy, and a tortoise, are interspersed among the characters at the bottom of the composition. The style is classic 2D cartoon animation, defined by clean black outlines and vibrant, flat colors.
The overall mood is cheerful, celebratory, and whimsical. A horizontal panel at the top displays the family members in a row against a white background, mirroring the primary group. The composition is well-balanced, focusing on the core group in the foreground while allowing space for the surrounding environment. The colors are primary and pastel, creating a friendly and inviting aesthetic typical of children's storybook illustrations.