Celebrate April with these Chalk It Up. seasonal Calendar Days featuring spring-themed designs: an umbrella, a raindrop, and a rain boot. Our line of seasonal Calendar Days are designed for built-in patterning practice. April forms an AABCC pattern. Pack contains: 31 numbers days (30 regular numbers and one 23/30 combined number), 4 accent days—a star card, a birthday cupcake card, and 2 blank cards for highlighting special events, holidays, and birthdays. Size: 2 3/4" x 2 3/4"