Welcome to outer space! Blast off with hundreds of stickers featuring colorful planets, swirling black holes, explosive supernovas, sleek spacecraft, and many brave astronauts--including Laika, the first dog in space! Plus go on a mission to Mars, create a constellation, orbit the sun in the asteroid belt, and float around the international Space Station as you explore the mysterious wonders of the universe. How it works: Peel a sticker to reveal a fascinating fun factUse stickers, markers, crayons, and more to decorate the activity pages--make them your own!Once all the stickers are peeled, remove the overlay for a Peel + Discover surprise