This crayon petal birthday invitation is drawn in the loosest, happiest hand — a storybook page for a little one's fourth birthday. The card artwork pairs a chunky crayon '4' with a pink flower garden, hand-lettered script and sunny yellow accents, and the guest page carries that same crayon box into every corner: falling petals blend into the scene like paint, a hand-drawn sun peeks the invitation frame, the countdown reads like colourful sticker cells, and the detail rows carry a commissioned icon family drawn at one stroke weight — a flower calendar for the date, a sun clock for the time, a petal locator for the venue. Every drawn mark wears a wax-grain texture with the tiny white gaps a real crayon leaves behind, so the page reads as one medium from the first glance. It is ideal for a 4th birthday, a toddler party or any kids' celebration where the invitation should feel like the first craft project. The design is mobile-first with hard sticker shadows, chunky rounded lettering in Fredoka, and a reply card that ends on a pink sticker-style RSVP button with a crayon sunburst behind it — and every detail, from the date to the venue and dress code, is a personalisable slot a host can swap in minutes.