The image features a black and white sign with a playful and inviting message. The sign reads "UNDERESTIMATE ME THAT'LL BE FUN" in a bold, cursive font. The words "UNDERESTIMATE ME" are written in a larger font size, while "THAT'LL BE FUN" is written in a smaller font size. The phrase "UNDERESTIMATE ME" is emphasized by being in a larger font size, suggesting a sense of challenge or dare. The overall design of the sign is simple yet striking, with the contrast between the black text and the white background making the message stand out. The use of all capital letters adds to the bold and assertive tone of the sign.