8 little planets going 'round the Sun. Could these little planets be having much fun? YES!Neptune is old and slow. Mars looks a bit rusty. And Mercury doesn't have any moons around. Don't the planets wish things were different? NO! Neptune loves how fast it spins on its axis. Mars has the tallest mountain. And Mercury is the closest to the Sun. Each planet is unique and that's what makes each planet feel special! The die cut format reveals the Sun's smiling face as we count down from Neptune to Mercury. Celebrate our solar system in this delightfully fun, fact-filled planetary tale.