A cheerful unicorn stands beside a decorated mailbox, placing a valentine envelope into the open slot. The unicorn is shown in profile facing right, with a single striped horn, large expressive eyes, a flowing mane, and a long wavy tail. One front hoof is lifted to hold the envelope, while all four legs stand on a puffy patch of ground dotted with small tufts of grass and heart shapes. The mailbox sits on a post to the right and features a heart emblem on the side, several smaller hearts along the lower panel, and a large ribbon bow tied around the post. Above it floats a heart-shaped balloon with a bow and trailing ribbons. Hearts of different sizes are scattered across the background, creating a festive Valentine theme without making the page feel crowded. Small flowers and leafy stems appear near the bottom corners. The scene offers lots of fun coloring opportunities, from the unicorn’s mane and tail to the balloon, envelope, bows, hearts, and mailbox decorations.
A smiling unicorn mails a valentine letter into a heart-decorated mailbox surrounded by floating hearts.