Launch new science, engineering, and math discoveries with hands-on activities and challenges. Check out the kinds of crafts, actions, and treasures you may uncover in your mailbox every month. Discover the world’s wonders, from oceans to art to animals via hands-on actions, games and stories with Early Explorers. Ages 8+ Science Expeditions Explore a brand new science destination each month with experiments, innovations, comedian books, and badges.